Home / 1,126,931.64-1,690,397.44-682,766.52

Finding the Fourth Proportional to 1,126,931.64, 1,690,397.44 and 682,766.52

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Solution

The fourth proportional to 1,126,931.64, 1,690,397.44 and 682,766.52 is: 1,024,149.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,931.64 : 1,690,397.44 = 682,766.52 : x
  2. Step 2: Convert to fraction form
    1,126,931.64/1,690,397.44 = 682,766.52/x
  3. Step 3: Cross multiply
    1,126,931.64x = 1,690,397.44 × 682,766.52
  4. Step 4: Simplify right side
    1,126,931.64x = 1,154,146,777,525.71
  5. Step 5: Solve for x
    x = 1,154,146,777,525.71/1,126,931.64
  6. Step 6: Final answer
    x = 1,024,149.77

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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.