Home / 1,374,956.25-1,897,411.07-763,073.47

Finding the Fourth Proportional to 1,374,956.25, 1,897,411.07 and 763,073.47

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Solution

The fourth proportional to 1,374,956.25, 1,897,411.07 and 763,073.47 is: 1,053,025.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,956.25 : 1,897,411.07 = 763,073.47 : x
  2. Step 2: Convert to fraction form
    1,374,956.25/1,897,411.07 = 763,073.47/x
  3. Step 3: Cross multiply
    1,374,956.25x = 1,897,411.07 × 763,073.47
  4. Step 4: Simplify right side
    1,374,956.25x = 1,447,864,053,480.76
  5. Step 5: Solve for x
    x = 1,447,864,053,480.76/1,374,956.25
  6. Step 6: Final answer
    x = 1,053,025.55

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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.