Home / 1,007,445.80-1,511,168.70-998,114.60

Finding the Fourth Proportional to 1,007,445.80, 1,511,168.70 and 998,114.60

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Solution

The fourth proportional to 1,007,445.80, 1,511,168.70 and 998,114.60 is: 1,497,171.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,445.80 : 1,511,168.70 = 998,114.60 : x
  2. Step 2: Convert to fraction form
    1,007,445.80/1,511,168.70 = 998,114.60/x
  3. Step 3: Cross multiply
    1,007,445.80x = 1,511,168.70 × 998,114.60
  4. Step 4: Simplify right side
    1,007,445.80x = 1,508,319,542,533.02
  5. Step 5: Solve for x
    x = 1,508,319,542,533.02/1,007,445.80
  6. Step 6: Final answer
    x = 1,497,171.90

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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.