Home / 1,755,101.80-2,632,652.70-690,178.60

Finding the Fourth Proportional to 1,755,101.80, 2,632,652.70 and 690,178.60

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Solution

The fourth proportional to 1,755,101.80, 2,632,652.70 and 690,178.60 is: 1,035,267.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,101.80 : 2,632,652.70 = 690,178.60 : x
  2. Step 2: Convert to fraction form
    1,755,101.80/2,632,652.70 = 690,178.60/x
  3. Step 3: Cross multiply
    1,755,101.80x = 2,632,652.70 × 690,178.60
  4. Step 4: Simplify right side
    1,755,101.80x = 1,817,000,554,772.22
  5. Step 5: Solve for x
    x = 1,817,000,554,772.22/1,755,101.80
  6. Step 6: Final answer
    x = 1,035,267.90

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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.