Home / 1,145,177.77-1,579,990.92-661,566.46

Finding the Fourth Proportional to 1,145,177.77, 1,579,990.92 and 661,566.46

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Solution

The fourth proportional to 1,145,177.77, 1,579,990.92 and 661,566.46 is: 912,756.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,177.77 : 1,579,990.92 = 661,566.46 : x
  2. Step 2: Convert to fraction form
    1,145,177.77/1,579,990.92 = 661,566.46/x
  3. Step 3: Cross multiply
    1,145,177.77x = 1,579,990.92 × 661,566.46
  4. Step 4: Simplify right side
    1,145,177.77x = 1,045,268,991,876.59
  5. Step 5: Solve for x
    x = 1,045,268,991,876.59/1,145,177.77
  6. Step 6: Final answer
    x = 912,756.97

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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.