Home / 1,276,701.56-1,761,847.71-703,751.30

Finding the Fourth Proportional to 1,276,701.56, 1,761,847.71 and 703,751.30

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Solution

The fourth proportional to 1,276,701.56, 1,761,847.71 and 703,751.30 is: 971,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,701.56 : 1,761,847.71 = 703,751.30 : x
  2. Step 2: Convert to fraction form
    1,276,701.56/1,761,847.71 = 703,751.30/x
  3. Step 3: Cross multiply
    1,276,701.56x = 1,761,847.71 × 703,751.30
  4. Step 4: Simplify right side
    1,276,701.56x = 1,239,902,607,505.28
  5. Step 5: Solve for x
    x = 1,239,902,607,505.28/1,276,701.56
  6. Step 6: Final answer
    x = 971,176.55

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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.