Home / 1,207,615.40-1,666,375.36-724,200.92

Finding the Fourth Proportional to 1,207,615.40, 1,666,375.36 and 724,200.92

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Solution

The fourth proportional to 1,207,615.40, 1,666,375.36 and 724,200.92 is: 999,316.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,615.40 : 1,666,375.36 = 724,200.92 : x
  2. Step 2: Convert to fraction form
    1,207,615.40/1,666,375.36 = 724,200.92/x
  3. Step 3: Cross multiply
    1,207,615.40x = 1,666,375.36 × 724,200.92
  4. Step 4: Simplify right side
    1,207,615.40x = 1,206,790,568,777.33
  5. Step 5: Solve for x
    x = 1,206,790,568,777.33/1,207,615.40
  6. Step 6: Final answer
    x = 999,316.98

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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.