Home / 1,312,778.88-1,811,624.04-731,995.20

Finding the Fourth Proportional to 1,312,778.88, 1,811,624.04 and 731,995.20

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Solution

The fourth proportional to 1,312,778.88, 1,811,624.04 and 731,995.20 is: 1,010,147.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,778.88 : 1,811,624.04 = 731,995.20 : x
  2. Step 2: Convert to fraction form
    1,312,778.88/1,811,624.04 = 731,995.20/x
  3. Step 3: Cross multiply
    1,312,778.88x = 1,811,624.04 × 731,995.20
  4. Step 4: Simplify right side
    1,312,778.88x = 1,326,100,101,484.61
  5. Step 5: Solve for x
    x = 1,326,100,101,484.61/1,312,778.88
  6. Step 6: Final answer
    x = 1,010,147.35

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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.