Home / 1,012,219.20-1,518,328.80-264,265.20

Finding the Fourth Proportional to 1,012,219.20, 1,518,328.80 and 264,265.20

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Solution

The fourth proportional to 1,012,219.20, 1,518,328.80 and 264,265.20 is: 396,397.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,219.20 : 1,518,328.80 = 264,265.20 : x
  2. Step 2: Convert to fraction form
    1,012,219.20/1,518,328.80 = 264,265.20/x
  3. Step 3: Cross multiply
    1,012,219.20x = 1,518,328.80 × 264,265.20
  4. Step 4: Simplify right side
    1,012,219.20x = 401,241,463,997.76
  5. Step 5: Solve for x
    x = 401,241,463,997.76/1,012,219.20
  6. Step 6: Final answer
    x = 396,397.80

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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.