Home / 1,276,152.31-1,761,127.76-703,229.39

Finding the Fourth Proportional to 1,276,152.31, 1,761,127.76 and 703,229.39

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Solution

The fourth proportional to 1,276,152.31, 1,761,127.76 and 703,229.39 is: 970,477.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,152.31 : 1,761,127.76 = 703,229.39 : x
  2. Step 2: Convert to fraction form
    1,276,152.31/1,761,127.76 = 703,229.39/x
  3. Step 3: Cross multiply
    1,276,152.31x = 1,761,127.76 × 703,229.39
  4. Step 4: Simplify right side
    1,276,152.31x = 1,238,476,801,699.24
  5. Step 5: Solve for x
    x = 1,238,476,801,699.24/1,276,152.31
  6. Step 6: Final answer
    x = 970,477.26

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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.