Home / 806,072.70-1,207,359.45-666,104.70

Finding the Fourth Proportional to 806,072.70, 1,207,359.45 and 666,104.70

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Solution

The fourth proportional to 806,072.70, 1,207,359.45 and 666,104.70 is: 997,711.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,072.70 : 1,207,359.45 = 666,104.70 : x
  2. Step 2: Convert to fraction form
    806,072.70/1,207,359.45 = 666,104.70/x
  3. Step 3: Cross multiply
    806,072.70x = 1,207,359.45 × 666,104.70
  4. Step 4: Simplify right side
    806,072.70x = 804,227,804,234.42
  5. Step 5: Solve for x
    x = 804,227,804,234.42/806,072.70
  6. Step 6: Final answer
    x = 997,711.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.