Home / 1,106,803.28-1,527,610.92-724,690.64

Finding the Fourth Proportional to 1,106,803.28, 1,527,610.92 and 724,690.64

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Solution

The fourth proportional to 1,106,803.28, 1,527,610.92 and 724,690.64 is: 1,000,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,803.28 : 1,527,610.92 = 724,690.64 : x
  2. Step 2: Convert to fraction form
    1,106,803.28/1,527,610.92 = 724,690.64/x
  3. Step 3: Cross multiply
    1,106,803.28x = 1,527,610.92 × 724,690.64
  4. Step 4: Simplify right side
    1,106,803.28x = 1,107,045,335,285.79
  5. Step 5: Solve for x
    x = 1,107,045,335,285.79/1,106,803.28
  6. Step 6: Final answer
    x = 1,000,218.70

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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.