Home / 1,350,229.60-2,025,085.20-403,631.20

Finding the Fourth Proportional to 1,350,229.60, 2,025,085.20 and 403,631.20

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Solution

The fourth proportional to 1,350,229.60, 2,025,085.20 and 403,631.20 is: 605,369.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,229.60 : 2,025,085.20 = 403,631.20 : x
  2. Step 2: Convert to fraction form
    1,350,229.60/2,025,085.20 = 403,631.20/x
  3. Step 3: Cross multiply
    1,350,229.60x = 2,025,085.20 × 403,631.20
  4. Step 4: Simplify right side
    1,350,229.60x = 817,387,569,378.24
  5. Step 5: Solve for x
    x = 817,387,569,378.24/1,350,229.60
  6. Step 6: Final answer
    x = 605,369.32

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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.