Home / 1,011,672.72-1,396,136.52-558,992.88

Finding the Fourth Proportional to 1,011,672.72, 1,396,136.52 and 558,992.88

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Solution

The fourth proportional to 1,011,672.72, 1,396,136.52 and 558,992.88 is: 771,425.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,672.72 : 1,396,136.52 = 558,992.88 : x
  2. Step 2: Convert to fraction form
    1,011,672.72/1,396,136.52 = 558,992.88/x
  3. Step 3: Cross multiply
    1,011,672.72x = 1,396,136.52 × 558,992.88
  4. Step 4: Simplify right side
    1,011,672.72x = 780,430,374,187.98
  5. Step 5: Solve for x
    x = 780,430,374,187.98/1,011,672.72
  6. Step 6: Final answer
    x = 771,425.74

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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.