Home / 1,755,103.80-2,632,655.70-690,180.60

Finding the Fourth Proportional to 1,755,103.80, 2,632,655.70 and 690,180.60

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Solution

The fourth proportional to 1,755,103.80, 2,632,655.70 and 690,180.60 is: 1,035,270.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,103.80 : 2,632,655.70 = 690,180.60 : x
  2. Step 2: Convert to fraction form
    1,755,103.80/2,632,655.70 = 690,180.60/x
  3. Step 3: Cross multiply
    1,755,103.80x = 2,632,655.70 × 690,180.60
  4. Step 4: Simplify right side
    1,755,103.80x = 1,817,007,890,619.42
  5. Step 5: Solve for x
    x = 1,817,007,890,619.42/1,755,103.80
  6. Step 6: Final answer
    x = 1,035,270.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.