Home / 1,012,173.20-1,518,259.80-264,219.20

Finding the Fourth Proportional to 1,012,173.20, 1,518,259.80 and 264,219.20

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Solution

The fourth proportional to 1,012,173.20, 1,518,259.80 and 264,219.20 is: 396,328.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,173.20 : 1,518,259.80 = 264,219.20 : x
  2. Step 2: Convert to fraction form
    1,012,173.20/1,518,259.80 = 264,219.20/x
  3. Step 3: Cross multiply
    1,012,173.20x = 1,518,259.80 × 264,219.20
  4. Step 4: Simplify right side
    1,012,173.20x = 401,153,389,748.16
  5. Step 5: Solve for x
    x = 401,153,389,748.16/1,012,173.20
  6. Step 6: Final answer
    x = 396,328.80

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Half scale
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Double scale
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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.