Home / 1,298,052.48-1,791,312.32-725,092.64

Finding the Fourth Proportional to 1,298,052.48, 1,791,312.32 and 725,092.64

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Solution

The fourth proportional to 1,298,052.48, 1,791,312.32 and 725,092.64 is: 1,000,627.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,052.48 : 1,791,312.32 = 725,092.64 : x
  2. Step 2: Convert to fraction form
    1,298,052.48/1,791,312.32 = 725,092.64/x
  3. Step 3: Cross multiply
    1,298,052.48x = 1,791,312.32 × 725,092.64
  4. Step 4: Simplify right side
    1,298,052.48x = 1,298,867,366,591.30
  5. Step 5: Solve for x
    x = 1,298,867,366,591.30/1,298,052.48
  6. Step 6: Final answer
    x = 1,000,627.78

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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.