Home / 1,029,663.39-1,420,092.94-724,749.15

Finding the Fourth Proportional to 1,029,663.39, 1,420,092.94 and 724,749.15

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Solution

The fourth proportional to 1,029,663.39, 1,420,092.94 and 724,749.15 is: 999,560.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,663.39 : 1,420,092.94 = 724,749.15 : x
  2. Step 2: Convert to fraction form
    1,029,663.39/1,420,092.94 = 724,749.15/x
  3. Step 3: Cross multiply
    1,029,663.39x = 1,420,092.94 × 724,749.15
  4. Step 4: Simplify right side
    1,029,663.39x = 1,029,211,147,562.26
  5. Step 5: Solve for x
    x = 1,029,211,147,562.26/1,029,663.39
  6. Step 6: Final answer
    x = 999,560.79

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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.