Home / 1,298,596.78-1,792,029.18-725,641.66

Finding the Fourth Proportional to 1,298,596.78, 1,792,029.18 and 725,641.66

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Solution

The fourth proportional to 1,298,596.78, 1,792,029.18 and 725,641.66 is: 1,001,366.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,596.78 : 1,792,029.18 = 725,641.66 : x
  2. Step 2: Convert to fraction form
    1,298,596.78/1,792,029.18 = 725,641.66/x
  3. Step 3: Cross multiply
    1,298,596.78x = 1,792,029.18 × 725,641.66
  4. Step 4: Simplify right side
    1,298,596.78x = 1,300,371,028,943.64
  5. Step 5: Solve for x
    x = 1,300,371,028,943.64/1,298,596.78
  6. Step 6: Final answer
    x = 1,001,366.28

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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.