Home / 1,348,780.45-1,861,295.30-736,920.09

Finding the Fourth Proportional to 1,348,780.45, 1,861,295.30 and 736,920.09

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Solution

The fourth proportional to 1,348,780.45, 1,861,295.30 and 736,920.09 is: 1,016,937.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,780.45 : 1,861,295.30 = 736,920.09 : x
  2. Step 2: Convert to fraction form
    1,348,780.45/1,861,295.30 = 736,920.09/x
  3. Step 3: Cross multiply
    1,348,780.45x = 1,861,295.30 × 736,920.09
  4. Step 4: Simplify right side
    1,348,780.45x = 1,371,625,899,992.58
  5. Step 5: Solve for x
    x = 1,371,625,899,992.58/1,348,780.45
  6. Step 6: Final answer
    x = 1,016,937.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.