Home / 1,207,248.58-1,665,903.30-663,356.26

Finding the Fourth Proportional to 1,207,248.58, 1,665,903.30 and 663,356.26

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Solution

The fourth proportional to 1,207,248.58, 1,665,903.30 and 663,356.26 is: 915,376.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,248.58 : 1,665,903.30 = 663,356.26 : x
  2. Step 2: Convert to fraction form
    1,207,248.58/1,665,903.30 = 663,356.26/x
  3. Step 3: Cross multiply
    1,207,248.58x = 1,665,903.30 × 663,356.26
  4. Step 4: Simplify right side
    1,207,248.58x = 1,105,087,382,609.66
  5. Step 5: Solve for x
    x = 1,105,087,382,609.66/1,207,248.58
  6. Step 6: Final answer
    x = 915,376.83

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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.