Home / 1,011,976.43-1,517,741.06-292,161.74

Finding the Fourth Proportional to 1,011,976.43, 1,517,741.06 and 292,161.74

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Solution

The fourth proportional to 1,011,976.43, 1,517,741.06 and 292,161.74 is: 438,178.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,976.43 : 1,517,741.06 = 292,161.74 : x
  2. Step 2: Convert to fraction form
    1,011,976.43/1,517,741.06 = 292,161.74/x
  3. Step 3: Cross multiply
    1,011,976.43x = 1,517,741.06 × 292,161.74
  4. Step 4: Simplify right side
    1,011,976.43x = 443,425,859,909.53
  5. Step 5: Solve for x
    x = 443,425,859,909.53/1,011,976.43
  6. Step 6: Final answer
    x = 438,178.05

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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.