Home / 746,941.20-1,120,411.80-615,721.20

Finding the Fourth Proportional to 746,941.20, 1,120,411.80 and 615,721.20

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Solution

The fourth proportional to 746,941.20, 1,120,411.80 and 615,721.20 is: 923,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,941.20 : 1,120,411.80 = 615,721.20 : x
  2. Step 2: Convert to fraction form
    746,941.20/1,120,411.80 = 615,721.20/x
  3. Step 3: Cross multiply
    746,941.20x = 1,120,411.80 × 615,721.20
  4. Step 4: Simplify right side
    746,941.20x = 689,861,297,990.16
  5. Step 5: Solve for x
    x = 689,861,297,990.16/746,941.20
  6. Step 6: Final answer
    x = 923,581.80

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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.