Home / 1,029,878.06-1,545,073.92-726,864.09

Finding the Fourth Proportional to 1,029,878.06, 1,545,073.92 and 726,864.09

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Solution

The fourth proportional to 1,029,878.06, 1,545,073.92 and 726,864.09 is: 1,090,477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,878.06 : 1,545,073.92 = 726,864.09 : x
  2. Step 2: Convert to fraction form
    1,029,878.06/1,545,073.92 = 726,864.09/x
  3. Step 3: Cross multiply
    1,029,878.06x = 1,545,073.92 × 726,864.09
  4. Step 4: Simplify right side
    1,029,878.06x = 1,123,058,747,202.34
  5. Step 5: Solve for x
    x = 1,123,058,747,202.34/1,029,878.06
  6. Step 6: Final answer
    x = 1,090,477.40

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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.