Home / 1,102,250.12-1,520,987.67-618,868.44

Finding the Fourth Proportional to 1,102,250.12, 1,520,987.67 and 618,868.44

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Solution

The fourth proportional to 1,102,250.12, 1,520,987.67 and 618,868.44 is: 853,972.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,250.12 : 1,520,987.67 = 618,868.44 : x
  2. Step 2: Convert to fraction form
    1,102,250.12/1,520,987.67 = 618,868.44/x
  3. Step 3: Cross multiply
    1,102,250.12x = 1,520,987.67 × 618,868.44
  4. Step 4: Simplify right side
    1,102,250.12x = 941,291,266,592.14
  5. Step 5: Solve for x
    x = 941,291,266,592.14/1,102,250.12
  6. Step 6: Final answer
    x = 853,972.48

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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.