Home / 1,298,612.09-1,792,050.30-725,656.97

Finding the Fourth Proportional to 1,298,612.09, 1,792,050.30 and 725,656.97

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Solution

The fourth proportional to 1,298,612.09, 1,792,050.30 and 725,656.97 is: 1,001,387.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,612.09 : 1,792,050.30 = 725,656.97 : x
  2. Step 2: Convert to fraction form
    1,298,612.09/1,792,050.30 = 725,656.97/x
  3. Step 3: Cross multiply
    1,298,612.09x = 1,792,050.30 × 725,656.97
  4. Step 4: Simplify right side
    1,298,612.09x = 1,300,413,795,265.72
  5. Step 5: Solve for x
    x = 1,300,413,795,265.72/1,298,612.09
  6. Step 6: Final answer
    x = 1,001,387.41

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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.