Home / 1,276,691.38-1,761,912.93-703,730.26

Finding the Fourth Proportional to 1,276,691.38, 1,761,912.93 and 703,730.26

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Solution

The fourth proportional to 1,276,691.38, 1,761,912.93 and 703,730.26 is: 971,191.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,691.38 : 1,761,912.93 = 703,730.26 : x
  2. Step 2: Convert to fraction form
    1,276,691.38/1,761,912.93 = 703,730.26/x
  3. Step 3: Cross multiply
    1,276,691.38x = 1,761,912.93 × 703,730.26
  4. Step 4: Simplify right side
    1,276,691.38x = 1,239,911,444,326.26
  5. Step 5: Solve for x
    x = 1,239,911,444,326.26/1,276,691.38
  6. Step 6: Final answer
    x = 971,191.21

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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.