Home / 1,142,970.72-1,577,305.92-659,556.16

Finding the Fourth Proportional to 1,142,970.72, 1,577,305.92 and 659,556.16

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Solution

The fourth proportional to 1,142,970.72, 1,577,305.92 and 659,556.16 is: 910,191.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,970.72 : 1,577,305.92 = 659,556.16 : x
  2. Step 2: Convert to fraction form
    1,142,970.72/1,577,305.92 = 659,556.16/x
  3. Step 3: Cross multiply
    1,142,970.72x = 1,577,305.92 × 659,556.16
  4. Step 4: Simplify right side
    1,142,970.72x = 1,040,321,835,740.47
  5. Step 5: Solve for x
    x = 1,040,321,835,740.47/1,142,970.72
  6. Step 6: Final answer
    x = 910,191.15

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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.