Home / 1,132,114.80-1,698,172.20-754,201.20

Finding the Fourth Proportional to 1,132,114.80, 1,698,172.20 and 754,201.20

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Solution

The fourth proportional to 1,132,114.80, 1,698,172.20 and 754,201.20 is: 1,131,301.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,114.80 : 1,698,172.20 = 754,201.20 : x
  2. Step 2: Convert to fraction form
    1,132,114.80/1,698,172.20 = 754,201.20/x
  3. Step 3: Cross multiply
    1,132,114.80x = 1,698,172.20 × 754,201.20
  4. Step 4: Simplify right side
    1,132,114.80x = 1,280,763,511,046.64
  5. Step 5: Solve for x
    x = 1,280,763,511,046.64/1,132,114.80
  6. Step 6: Final answer
    x = 1,131,301.80

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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.