Home / 1,114,677.72-1,538,350.11-631,328.85

Finding the Fourth Proportional to 1,114,677.72, 1,538,350.11 and 631,328.85

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Solution

The fourth proportional to 1,114,677.72, 1,538,350.11 and 631,328.85 is: 871,287.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,677.72 : 1,538,350.11 = 631,328.85 : x
  2. Step 2: Convert to fraction form
    1,114,677.72/1,538,350.11 = 631,328.85/x
  3. Step 3: Cross multiply
    1,114,677.72x = 1,538,350.11 × 631,328.85
  4. Step 4: Simplify right side
    1,114,677.72x = 971,204,805,843.67
  5. Step 5: Solve for x
    x = 971,204,805,843.67/1,114,677.72
  6. Step 6: Final answer
    x = 871,287.54

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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.