Home / 1,275,127.25-1,759,675.61-702,166.06

Finding the Fourth Proportional to 1,275,127.25, 1,759,675.61 and 702,166.06

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Solution

The fourth proportional to 1,275,127.25, 1,759,675.61 and 702,166.06 is: 968,989.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,127.25 : 1,759,675.61 = 702,166.06 : x
  2. Step 2: Convert to fraction form
    1,275,127.25/1,759,675.61 = 702,166.06/x
  3. Step 3: Cross multiply
    1,275,127.25x = 1,759,675.61 × 702,166.06
  4. Step 4: Simplify right side
    1,275,127.25x = 1,235,584,489,951.80
  5. Step 5: Solve for x
    x = 1,235,584,489,951.80/1,275,127.25
  6. Step 6: Final answer
    x = 968,989.17

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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.