Home / 1,298,500.08-1,791,926.32-725,540.72

Finding the Fourth Proportional to 1,298,500.08, 1,791,926.32 and 725,540.72

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Solution

The fourth proportional to 1,298,500.08, 1,791,926.32 and 725,540.72 is: 1,001,244.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,500.08 : 1,791,926.32 = 725,540.72 : x
  2. Step 2: Convert to fraction form
    1,298,500.08/1,791,926.32 = 725,540.72/x
  3. Step 3: Cross multiply
    1,298,500.08x = 1,791,926.32 × 725,540.72
  4. Step 4: Simplify right side
    1,298,500.08x = 1,300,115,512,399.75
  5. Step 5: Solve for x
    x = 1,300,115,512,399.75/1,298,500.08
  6. Step 6: Final answer
    x = 1,001,244.08

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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.