Home / 1,538,251.40-2,304,266.70-872,625.80

Finding the Fourth Proportional to 1,538,251.40, 2,304,266.70 and 872,625.80

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Solution

The fourth proportional to 1,538,251.40, 2,304,266.70 and 872,625.80 is: 1,307,174.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,251.40 : 2,304,266.70 = 872,625.80 : x
  2. Step 2: Convert to fraction form
    1,538,251.40/2,304,266.70 = 872,625.80/x
  3. Step 3: Cross multiply
    1,538,251.40x = 2,304,266.70 × 872,625.80
  4. Step 4: Simplify right side
    1,538,251.40x = 2,010,762,572,500.86
  5. Step 5: Solve for x
    x = 2,010,762,572,500.86/1,538,251.40
  6. Step 6: Final answer
    x = 1,307,174.22

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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.