Home / 1,276,515.60-1,761,602.25-703,557.24

Finding the Fourth Proportional to 1,276,515.60, 1,761,602.25 and 703,557.24

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Solution

The fourth proportional to 1,276,515.60, 1,761,602.25 and 703,557.24 is: 970,914.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,515.60 : 1,761,602.25 = 703,557.24 : x
  2. Step 2: Convert to fraction form
    1,276,515.60/1,761,602.25 = 703,557.24/x
  3. Step 3: Cross multiply
    1,276,515.60x = 1,761,602.25 × 703,557.24
  4. Step 4: Simplify right side
    1,276,515.60x = 1,239,388,016,987.79
  5. Step 5: Solve for x
    x = 1,239,388,016,987.79/1,276,515.60
  6. Step 6: Final answer
    x = 970,914.90

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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.