Home / 1,265,157.12-1,745,744.40-755,751.36

Finding the Fourth Proportional to 1,265,157.12, 1,745,744.40 and 755,751.36

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Solution

The fourth proportional to 1,265,157.12, 1,745,744.40 and 755,751.36 is: 1,042,833.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,157.12 : 1,745,744.40 = 755,751.36 : x
  2. Step 2: Convert to fraction form
    1,265,157.12/1,745,744.40 = 755,751.36/x
  3. Step 3: Cross multiply
    1,265,157.12x = 1,745,744.40 × 755,751.36
  4. Step 4: Simplify right side
    1,265,157.12x = 1,319,348,704,512.38
  5. Step 5: Solve for x
    x = 1,319,348,704,512.38/1,265,157.12
  6. Step 6: Final answer
    x = 1,042,833.88

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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.