Home / 1,102,246.26-1,520,994.77-618,700.58

Finding the Fourth Proportional to 1,102,246.26, 1,520,994.77 and 618,700.58

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Solution

The fourth proportional to 1,102,246.26, 1,520,994.77 and 618,700.58 is: 853,747.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,246.26 : 1,520,994.77 = 618,700.58 : x
  2. Step 2: Convert to fraction form
    1,102,246.26/1,520,994.77 = 618,700.58/x
  3. Step 3: Cross multiply
    1,102,246.26x = 1,520,994.77 × 618,700.58
  4. Step 4: Simplify right side
    1,102,246.26x = 941,040,346,375.97
  5. Step 5: Solve for x
    x = 941,040,346,375.97/1,102,246.26
  6. Step 6: Final answer
    x = 853,747.82

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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.