Home / 1,206,061.10-1,665,143.16-747,665.54

Finding the Fourth Proportional to 1,206,061.10, 1,665,143.16 and 747,665.54

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Solution

The fourth proportional to 1,206,061.10, 1,665,143.16 and 747,665.54 is: 1,032,261.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,061.10 : 1,665,143.16 = 747,665.54 : x
  2. Step 2: Convert to fraction form
    1,206,061.10/1,665,143.16 = 747,665.54/x
  3. Step 3: Cross multiply
    1,206,061.10x = 1,665,143.16 × 747,665.54
  4. Step 4: Simplify right side
    1,206,061.10x = 1,244,970,159,898.71
  5. Step 5: Solve for x
    x = 1,244,970,159,898.71/1,206,061.10
  6. Step 6: Final answer
    x = 1,032,261.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.