Home / 1,207,715.36-1,665,952.25-723,999.47

Finding the Fourth Proportional to 1,207,715.36, 1,665,952.25 and 723,999.47

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Solution

The fourth proportional to 1,207,715.36, 1,665,952.25 and 723,999.47 is: 998,702.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,715.36 : 1,665,952.25 = 723,999.47 : x
  2. Step 2: Convert to fraction form
    1,207,715.36/1,665,952.25 = 723,999.47/x
  3. Step 3: Cross multiply
    1,207,715.36x = 1,665,952.25 × 723,999.47
  4. Step 4: Simplify right side
    1,207,715.36x = 1,206,148,534,095.55
  5. Step 5: Solve for x
    x = 1,206,148,534,095.55/1,207,715.36
  6. Step 6: Final answer
    x = 998,702.66

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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.