Home / 1,276,627.50-1,761,724.88-703,720.98

Finding the Fourth Proportional to 1,276,627.50, 1,761,724.88 and 703,720.98

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Solution

The fourth proportional to 1,276,627.50, 1,761,724.88 and 703,720.98 is: 971,123.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,627.50 : 1,761,724.88 = 703,720.98 : x
  2. Step 2: Convert to fraction form
    1,276,627.50/1,761,724.88 = 703,720.98/x
  3. Step 3: Cross multiply
    1,276,627.50x = 1,761,724.88 × 703,720.98
  4. Step 4: Simplify right side
    1,276,627.50x = 1,239,762,759,043.98
  5. Step 5: Solve for x
    x = 1,239,762,759,043.98/1,276,627.50
  6. Step 6: Final answer
    x = 971,123.34

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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.