Home / 1,374,947.73-1,897,399.32-763,064.91

Finding the Fourth Proportional to 1,374,947.73, 1,897,399.32 and 763,064.91

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Solution

The fourth proportional to 1,374,947.73, 1,897,399.32 and 763,064.91 is: 1,053,013.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,947.73 : 1,897,399.32 = 763,064.91 : x
  2. Step 2: Convert to fraction form
    1,374,947.73/1,897,399.32 = 763,064.91/x
  3. Step 3: Cross multiply
    1,374,947.73x = 1,897,399.32 × 763,064.91
  4. Step 4: Simplify right side
    1,374,947.73x = 1,447,838,841,349.86
  5. Step 5: Solve for x
    x = 1,447,838,841,349.86/1,374,947.73
  6. Step 6: Final answer
    x = 1,053,013.73

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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.