Home / 1,472,278.90-2,031,732.66-827,701.96

Finding the Fourth Proportional to 1,472,278.90, 2,031,732.66 and 827,701.96

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Solution

The fourth proportional to 1,472,278.90, 2,031,732.66 and 827,701.96 is: 1,142,221.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,278.90 : 2,031,732.66 = 827,701.96 : x
  2. Step 2: Convert to fraction form
    1,472,278.90/2,031,732.66 = 827,701.96/x
  3. Step 3: Cross multiply
    1,472,278.90x = 2,031,732.66 × 827,701.96
  4. Step 4: Simplify right side
    1,472,278.90x = 1,681,669,104,878.01
  5. Step 5: Solve for x
    x = 1,681,669,104,878.01/1,472,278.90
  6. Step 6: Final answer
    x = 1,142,221.83

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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.