Home / 1,476,778.30-2,215,167.45-804,931.90

Finding the Fourth Proportional to 1,476,778.30, 2,215,167.45 and 804,931.90

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Solution

The fourth proportional to 1,476,778.30, 2,215,167.45 and 804,931.90 is: 1,207,397.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,778.30 : 2,215,167.45 = 804,931.90 : x
  2. Step 2: Convert to fraction form
    1,476,778.30/2,215,167.45 = 804,931.90/x
  3. Step 3: Cross multiply
    1,476,778.30x = 2,215,167.45 × 804,931.90
  4. Step 4: Simplify right side
    1,476,778.30x = 1,783,058,944,346.66
  5. Step 5: Solve for x
    x = 1,783,058,944,346.66/1,476,778.30
  6. Step 6: Final answer
    x = 1,207,397.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.