Home / 1,374,638.61-1,897,011.86-762,793.77

Finding the Fourth Proportional to 1,374,638.61, 1,897,011.86 and 762,793.77

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Solution

The fourth proportional to 1,374,638.61, 1,897,011.86 and 762,793.77 is: 1,052,661.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,638.61 : 1,897,011.86 = 762,793.77 : x
  2. Step 2: Convert to fraction form
    1,374,638.61/1,897,011.86 = 762,793.77/x
  3. Step 3: Cross multiply
    1,374,638.61x = 1,897,011.86 × 762,793.77
  4. Step 4: Simplify right side
    1,374,638.61x = 1,447,028,824,610.14
  5. Step 5: Solve for x
    x = 1,447,028,824,610.14/1,374,638.61
  6. Step 6: Final answer
    x = 1,052,661.27

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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.