Home / 1,146,721.57-1,721,411.11-615,280.57

Finding the Fourth Proportional to 1,146,721.57, 1,721,411.11 and 615,280.57

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Solution

The fourth proportional to 1,146,721.57, 1,721,411.11 and 615,280.57 is: 923,633.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,721.57 : 1,721,411.11 = 615,280.57 : x
  2. Step 2: Convert to fraction form
    1,146,721.57/1,721,411.11 = 615,280.57/x
  3. Step 3: Cross multiply
    1,146,721.57x = 1,721,411.11 × 615,280.57
  4. Step 4: Simplify right side
    1,146,721.57x = 1,059,150,805,430.71
  5. Step 5: Solve for x
    x = 1,059,150,805,430.71/1,146,721.57
  6. Step 6: Final answer
    x = 923,633.81

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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.