Home / 1,298,301.38-1,791,622.89-725,345.85

Finding the Fourth Proportional to 1,298,301.38, 1,791,622.89 and 725,345.85

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Solution

The fourth proportional to 1,298,301.38, 1,791,622.89 and 725,345.85 is: 1,000,958.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,301.38 : 1,791,622.89 = 725,345.85 : x
  2. Step 2: Convert to fraction form
    1,298,301.38/1,791,622.89 = 725,345.85/x
  3. Step 3: Cross multiply
    1,298,301.38x = 1,791,622.89 × 725,345.85
  4. Step 4: Simplify right side
    1,298,301.38x = 1,299,546,228,026.51
  5. Step 5: Solve for x
    x = 1,299,546,228,026.51/1,298,301.38
  6. Step 6: Final answer
    x = 1,000,958.83

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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.