Home / 1,405,577.04-2,108,365.56-658,147.92

Finding the Fourth Proportional to 1,405,577.04, 2,108,365.56 and 658,147.92

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Solution

The fourth proportional to 1,405,577.04, 2,108,365.56 and 658,147.92 is: 987,221.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,577.04 : 2,108,365.56 = 658,147.92 : x
  2. Step 2: Convert to fraction form
    1,405,577.04/2,108,365.56 = 658,147.92/x
  3. Step 3: Cross multiply
    1,405,577.04x = 2,108,365.56 × 658,147.92
  4. Step 4: Simplify right side
    1,405,577.04x = 1,387,616,407,913.64
  5. Step 5: Solve for x
    x = 1,387,616,407,913.64/1,405,577.04
  6. Step 6: Final answer
    x = 987,221.88

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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.