Home / 1,298,864.96-1,792,436.24-725,905.11

Finding the Fourth Proportional to 1,298,864.96, 1,792,436.24 and 725,905.11

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Solution

The fourth proportional to 1,298,864.96, 1,792,436.24 and 725,905.11 is: 1,001,750.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,864.96 : 1,792,436.24 = 725,905.11 : x
  2. Step 2: Convert to fraction form
    1,298,864.96/1,792,436.24 = 725,905.11/x
  3. Step 3: Cross multiply
    1,298,864.96x = 1,792,436.24 × 725,905.11
  4. Step 4: Simplify right side
    1,298,864.96x = 1,301,138,625,965.19
  5. Step 5: Solve for x
    x = 1,301,138,625,965.19/1,298,864.96
  6. Step 6: Final answer
    x = 1,001,750.50

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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.