Home / 1,817,511.72-2,726,267.22-487,815.72

Finding the Fourth Proportional to 1,817,511.72, 2,726,267.22 and 487,815.72

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Solution

The fourth proportional to 1,817,511.72, 2,726,267.22 and 487,815.72 is: 731,723.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,511.72 : 2,726,267.22 = 487,815.72 : x
  2. Step 2: Convert to fraction form
    1,817,511.72/2,726,267.22 = 487,815.72/x
  3. Step 3: Cross multiply
    1,817,511.72x = 2,726,267.22 × 487,815.72
  4. Step 4: Simplify right side
    1,817,511.72x = 1,329,916,006,836.70
  5. Step 5: Solve for x
    x = 1,329,916,006,836.70/1,817,511.72
  6. Step 6: Final answer
    x = 731,723.48

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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.