Home / 1,278,822.62-1,764,817.96-698,080.18

Finding the Fourth Proportional to 1,278,822.62, 1,764,817.96 and 698,080.18

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Solution

The fourth proportional to 1,278,822.62, 1,764,817.96 and 698,080.18 is: 963,373.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,822.62 : 1,764,817.96 = 698,080.18 : x
  2. Step 2: Convert to fraction form
    1,278,822.62/1,764,817.96 = 698,080.18/x
  3. Step 3: Cross multiply
    1,278,822.62x = 1,764,817.96 × 698,080.18
  4. Step 4: Simplify right side
    1,278,822.62x = 1,231,984,439,184.03
  5. Step 5: Solve for x
    x = 1,231,984,439,184.03/1,278,822.62
  6. Step 6: Final answer
    x = 963,373.98

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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.