Home / 802,279.17-1,200,706.21-780,689.52

Finding the Fourth Proportional to 802,279.17, 1,200,706.21 and 780,689.52

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Solution

The fourth proportional to 802,279.17, 1,200,706.21 and 780,689.52 is: 1,168,394.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,279.17 : 1,200,706.21 = 780,689.52 : x
  2. Step 2: Convert to fraction form
    802,279.17/1,200,706.21 = 780,689.52/x
  3. Step 3: Cross multiply
    802,279.17x = 1,200,706.21 × 780,689.52
  4. Step 4: Simplify right side
    802,279.17x = 937,378,754,745.92
  5. Step 5: Solve for x
    x = 937,378,754,745.92/802,279.17
  6. Step 6: Final answer
    x = 1,168,394.73

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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.