Home / 1,247,379.39-1,721,383.23-703,514.00

Finding the Fourth Proportional to 1,247,379.39, 1,721,383.23 and 703,514.00

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Solution

The fourth proportional to 1,247,379.39, 1,721,383.23 and 703,514.00 is: 970,849.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,379.39 : 1,721,383.23 = 703,514.00 : x
  2. Step 2: Convert to fraction form
    1,247,379.39/1,721,383.23 = 703,514.00/x
  3. Step 3: Cross multiply
    1,247,379.39x = 1,721,383.23 × 703,514.00
  4. Step 4: Simplify right side
    1,247,379.39x = 1,211,017,205,973.68
  5. Step 5: Solve for x
    x = 1,211,017,205,973.68/1,247,379.39
  6. Step 6: Final answer
    x = 970,849.14

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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.