Home / 1,102,249.61-1,520,986.98-618,867.93

Finding the Fourth Proportional to 1,102,249.61, 1,520,986.98 and 618,867.93

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Solution

The fourth proportional to 1,102,249.61, 1,520,986.98 and 618,867.93 is: 853,971.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,249.61 : 1,520,986.98 = 618,867.93 : x
  2. Step 2: Convert to fraction form
    1,102,249.61/1,520,986.98 = 618,867.93/x
  3. Step 3: Cross multiply
    1,102,249.61x = 1,520,986.98 × 618,867.93
  4. Step 4: Simplify right side
    1,102,249.61x = 941,290,063,869.55
  5. Step 5: Solve for x
    x = 941,290,063,869.55/1,102,249.61
  6. Step 6: Final answer
    x = 853,971.78

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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.