Home / 1,275,374.40-1,759,935.96-702,414.60

Finding the Fourth Proportional to 1,275,374.40, 1,759,935.96 and 702,414.60

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Solution

The fourth proportional to 1,275,374.40, 1,759,935.96 and 702,414.60 is: 969,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,374.40 : 1,759,935.96 = 702,414.60 : x
  2. Step 2: Convert to fraction form
    1,275,374.40/1,759,935.96 = 702,414.60/x
  3. Step 3: Cross multiply
    1,275,374.40x = 1,759,935.96 × 702,414.60
  4. Step 4: Simplify right side
    1,275,374.40x = 1,236,204,713,369.02
  5. Step 5: Solve for x
    x = 1,236,204,713,369.02/1,275,374.40
  6. Step 6: Final answer
    x = 969,287.70

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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.