Home / 1,329,932.80-1,995,772.16-488,491.52

Finding the Fourth Proportional to 1,329,932.80, 1,995,772.16 and 488,491.52

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Solution

The fourth proportional to 1,329,932.80, 1,995,772.16 and 488,491.52 is: 733,057.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,932.80 : 1,995,772.16 = 488,491.52 : x
  2. Step 2: Convert to fraction form
    1,329,932.80/1,995,772.16 = 488,491.52/x
  3. Step 3: Cross multiply
    1,329,932.80x = 1,995,772.16 × 488,491.52
  4. Step 4: Simplify right side
    1,329,932.80x = 974,917,776,012.08
  5. Step 5: Solve for x
    x = 974,917,776,012.08/1,329,932.80
  6. Step 6: Final answer
    x = 733,057.92

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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.