Home / 1,374,635.61-1,897,007.72-762,790.77

Finding the Fourth Proportional to 1,374,635.61, 1,897,007.72 and 762,790.77

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Solution

The fourth proportional to 1,374,635.61, 1,897,007.72 and 762,790.77 is: 1,052,657.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,635.61 : 1,897,007.72 = 762,790.77 : x
  2. Step 2: Convert to fraction form
    1,374,635.61/1,897,007.72 = 762,790.77/x
  3. Step 3: Cross multiply
    1,374,635.61x = 1,897,007.72 × 762,790.77
  4. Step 4: Simplify right side
    1,374,635.61x = 1,447,019,975,620.79
  5. Step 5: Solve for x
    x = 1,447,019,975,620.79/1,374,635.61
  6. Step 6: Final answer
    x = 1,052,657.13

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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.