Home / 1,231,245.58-1,699,147.46-772,379.46

Finding the Fourth Proportional to 1,231,245.58, 1,699,147.46 and 772,379.46

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Solution

The fourth proportional to 1,231,245.58, 1,699,147.46 and 772,379.46 is: 1,065,901.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,245.58 : 1,699,147.46 = 772,379.46 : x
  2. Step 2: Convert to fraction form
    1,231,245.58/1,699,147.46 = 772,379.46/x
  3. Step 3: Cross multiply
    1,231,245.58x = 1,699,147.46 × 772,379.46
  4. Step 4: Simplify right side
    1,231,245.58x = 1,312,386,597,615.17
  5. Step 5: Solve for x
    x = 1,312,386,597,615.17/1,231,245.58
  6. Step 6: Final answer
    x = 1,065,901.57

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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.