Home / 1,266,725.40-1,748,016.10-693,753.28

Finding the Fourth Proportional to 1,266,725.40, 1,748,016.10 and 693,753.28

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Solution

The fourth proportional to 1,266,725.40, 1,748,016.10 and 693,753.28 is: 957,343.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,725.40 : 1,748,016.10 = 693,753.28 : x
  2. Step 2: Convert to fraction form
    1,266,725.40/1,748,016.10 = 693,753.28/x
  3. Step 3: Cross multiply
    1,266,725.40x = 1,748,016.10 × 693,753.28
  4. Step 4: Simplify right side
    1,266,725.40x = 1,212,691,902,867.81
  5. Step 5: Solve for x
    x = 1,212,691,902,867.81/1,266,725.40
  6. Step 6: Final answer
    x = 957,343.95

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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.