Home / 1,000,305.97-1,500,456.72-772,932.20

Finding the Fourth Proportional to 1,000,305.97, 1,500,456.72 and 772,932.20

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Solution

The fourth proportional to 1,000,305.97, 1,500,456.72 and 772,932.20 is: 1,159,396.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,305.97 : 1,500,456.72 = 772,932.20 : x
  2. Step 2: Convert to fraction form
    1,000,305.97/1,500,456.72 = 772,932.20/x
  3. Step 3: Cross multiply
    1,000,305.97x = 1,500,456.72 × 772,932.20
  4. Step 4: Simplify right side
    1,000,305.97x = 1,159,751,313,594.38
  5. Step 5: Solve for x
    x = 1,159,751,313,594.38/1,000,305.97
  6. Step 6: Final answer
    x = 1,159,396.57

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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.