Home / 885,423.26-1,327,128.18-778,597.88

Finding the Fourth Proportional to 885,423.26, 1,327,128.18 and 778,597.88

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Solution

The fourth proportional to 885,423.26, 1,327,128.18 and 778,597.88 is: 1,167,011.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,423.26 : 1,327,128.18 = 778,597.88 : x
  2. Step 2: Convert to fraction form
    885,423.26/1,327,128.18 = 778,597.88/x
  3. Step 3: Cross multiply
    885,423.26x = 1,327,128.18 × 778,597.88
  4. Step 4: Simplify right side
    885,423.26x = 1,033,299,187,436.26
  5. Step 5: Solve for x
    x = 1,033,299,187,436.26/885,423.26
  6. Step 6: Final answer
    x = 1,167,011.57

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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.