Home / 1,943,240.91-2,915,234.98-745,069.78

Finding the Fourth Proportional to 1,943,240.91, 2,915,234.98 and 745,069.78

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Solution

The fourth proportional to 1,943,240.91, 2,915,234.98 and 745,069.78 is: 1,117,747.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,240.91 : 2,915,234.98 = 745,069.78 : x
  2. Step 2: Convert to fraction form
    1,943,240.91/2,915,234.98 = 745,069.78/x
  3. Step 3: Cross multiply
    1,943,240.91x = 2,915,234.98 × 745,069.78
  4. Step 4: Simplify right side
    1,943,240.91x = 2,172,053,485,196.90
  5. Step 5: Solve for x
    x = 2,172,053,485,196.90/1,943,240.91
  6. Step 6: Final answer
    x = 1,117,747.92

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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.