Home / 1,012,220.20-1,518,330.30-264,266.20

Finding the Fourth Proportional to 1,012,220.20, 1,518,330.30 and 264,266.20

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Solution

The fourth proportional to 1,012,220.20, 1,518,330.30 and 264,266.20 is: 396,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,220.20 : 1,518,330.30 = 264,266.20 : x
  2. Step 2: Convert to fraction form
    1,012,220.20/1,518,330.30 = 264,266.20/x
  3. Step 3: Cross multiply
    1,012,220.20x = 1,518,330.30 × 264,266.20
  4. Step 4: Simplify right side
    1,012,220.20x = 401,243,378,725.86
  5. Step 5: Solve for x
    x = 401,243,378,725.86/1,012,220.20
  6. Step 6: Final answer
    x = 396,399.30

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Half scale
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Double scale
Find fourth proportional to 1,012,221.20, 1,518,331.80 and 264,267.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.