Home / 1,275,142.64-1,759,658.38-702,185.90

Finding the Fourth Proportional to 1,275,142.64, 1,759,658.38 and 702,185.90

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Solution

The fourth proportional to 1,275,142.64, 1,759,658.38 and 702,185.90 is: 968,995.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,142.64 : 1,759,658.38 = 702,185.90 : x
  2. Step 2: Convert to fraction form
    1,275,142.64/1,759,658.38 = 702,185.90/x
  3. Step 3: Cross multiply
    1,275,142.64x = 1,759,658.38 × 702,185.90
  4. Step 4: Simplify right side
    1,275,142.64x = 1,235,607,292,699.09
  5. Step 5: Solve for x
    x = 1,235,607,292,699.09/1,275,142.64
  6. Step 6: Final answer
    x = 968,995.36

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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.