Home / 1,943,242.91-2,915,237.98-745,071.78

Finding the Fourth Proportional to 1,943,242.91, 2,915,237.98 and 745,071.78

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Solution

The fourth proportional to 1,943,242.91, 2,915,237.98 and 745,071.78 is: 1,117,750.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,242.91 : 2,915,237.98 = 745,071.78 : x
  2. Step 2: Convert to fraction form
    1,943,242.91/2,915,237.98 = 745,071.78/x
  3. Step 3: Cross multiply
    1,943,242.91x = 2,915,237.98 × 745,071.78
  4. Step 4: Simplify right side
    1,943,242.91x = 2,172,061,550,882.20
  5. Step 5: Solve for x
    x = 2,172,061,550,882.20/1,943,242.91
  6. Step 6: Final answer
    x = 1,117,750.92

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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.