Home / 1,153,078.29-1,729,026.02-674,241.66

Finding the Fourth Proportional to 1,153,078.29, 1,729,026.02 and 674,241.66

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Solution

The fourth proportional to 1,153,078.29, 1,729,026.02 and 674,241.66 is: 1,011,016.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,078.29 : 1,729,026.02 = 674,241.66 : x
  2. Step 2: Convert to fraction form
    1,153,078.29/1,729,026.02 = 674,241.66/x
  3. Step 3: Cross multiply
    1,153,078.29x = 1,729,026.02 × 674,241.66
  4. Step 4: Simplify right side
    1,153,078.29x = 1,165,781,370,536.78
  5. Step 5: Solve for x
    x = 1,165,781,370,536.78/1,153,078.29
  6. Step 6: Final answer
    x = 1,011,016.67

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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.