Home / 1,116,577.92-1,674,867.80-275,129.76

Finding the Fourth Proportional to 1,116,577.92, 1,674,867.80 and 275,129.76

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Solution

The fourth proportional to 1,116,577.92, 1,674,867.80 and 275,129.76 is: 412,694.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,577.92 : 1,674,867.80 = 275,129.76 : x
  2. Step 2: Convert to fraction form
    1,116,577.92/1,674,867.80 = 275,129.76/x
  3. Step 3: Cross multiply
    1,116,577.92x = 1,674,867.80 × 275,129.76
  4. Step 4: Simplify right side
    1,116,577.92x = 460,805,975,845.73
  5. Step 5: Solve for x
    x = 460,805,975,845.73/1,116,577.92
  6. Step 6: Final answer
    x = 412,694.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.