Home / 1,126,106.60-1,554,181.72-690,446.89

Finding the Fourth Proportional to 1,126,106.60, 1,554,181.72 and 690,446.89

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Solution

The fourth proportional to 1,126,106.60, 1,554,181.72 and 690,446.89 is: 952,911.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,106.60 : 1,554,181.72 = 690,446.89 : x
  2. Step 2: Convert to fraction form
    1,126,106.60/1,554,181.72 = 690,446.89/x
  3. Step 3: Cross multiply
    1,126,106.60x = 1,554,181.72 × 690,446.89
  4. Step 4: Simplify right side
    1,126,106.60x = 1,073,079,933,990.87
  5. Step 5: Solve for x
    x = 1,073,079,933,990.87/1,126,106.60
  6. Step 6: Final answer
    x = 952,911.51

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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.