Home / 1,021,818.28-1,532,727.26-311,849.96

Finding the Fourth Proportional to 1,021,818.28, 1,532,727.26 and 311,849.96

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Solution

The fourth proportional to 1,021,818.28, 1,532,727.26 and 311,849.96 is: 467,774.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,818.28 : 1,532,727.26 = 311,849.96 : x
  2. Step 2: Convert to fraction form
    1,021,818.28/1,532,727.26 = 311,849.96/x
  3. Step 3: Cross multiply
    1,021,818.28x = 1,532,727.26 × 311,849.96
  4. Step 4: Simplify right side
    1,021,818.28x = 477,980,934,721.91
  5. Step 5: Solve for x
    x = 477,980,934,721.91/1,021,818.28
  6. Step 6: Final answer
    x = 467,774.89

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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.