Home / 1,253,058.48-1,729,222.35-680,098.72

Finding the Fourth Proportional to 1,253,058.48, 1,729,222.35 and 680,098.72

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Solution

The fourth proportional to 1,253,058.48, 1,729,222.35 and 680,098.72 is: 938,537.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,058.48 : 1,729,222.35 = 680,098.72 : x
  2. Step 2: Convert to fraction form
    1,253,058.48/1,729,222.35 = 680,098.72/x
  3. Step 3: Cross multiply
    1,253,058.48x = 1,729,222.35 × 680,098.72
  4. Step 4: Simplify right side
    1,253,058.48x = 1,176,041,906,830.39
  5. Step 5: Solve for x
    x = 1,176,041,906,830.39/1,253,058.48
  6. Step 6: Final answer
    x = 938,537.13

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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.