Home / 1,295,686.56-1,788,091.92-751,781.28

Finding the Fourth Proportional to 1,295,686.56, 1,788,091.92 and 751,781.28

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Solution

The fourth proportional to 1,295,686.56, 1,788,091.92 and 751,781.28 is: 1,037,483.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,686.56 : 1,788,091.92 = 751,781.28 : x
  2. Step 2: Convert to fraction form
    1,295,686.56/1,788,091.92 = 751,781.28/x
  3. Step 3: Cross multiply
    1,295,686.56x = 1,788,091.92 × 751,781.28
  4. Step 4: Simplify right side
    1,295,686.56x = 1,344,254,032,375.26
  5. Step 5: Solve for x
    x = 1,344,254,032,375.26/1,295,686.56
  6. Step 6: Final answer
    x = 1,037,483.97

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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.