Home / 1,275,104.25-1,759,643.87-702,143.06

Finding the Fourth Proportional to 1,275,104.25, 1,759,643.87 and 702,143.06

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Solution

The fourth proportional to 1,275,104.25, 1,759,643.87 and 702,143.06 is: 968,957.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,104.25 : 1,759,643.87 = 702,143.06 : x
  2. Step 2: Convert to fraction form
    1,275,104.25/1,759,643.87 = 702,143.06/x
  3. Step 3: Cross multiply
    1,275,104.25x = 1,759,643.87 × 702,143.06
  4. Step 4: Simplify right side
    1,275,104.25x = 1,235,521,719,083.11
  5. Step 5: Solve for x
    x = 1,235,521,719,083.11/1,275,104.25
  6. Step 6: Final answer
    x = 968,957.42

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Double scale
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1.5x scale

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.