Home / 1,110,174.84-1,532,069.16-680,691.72

Finding the Fourth Proportional to 1,110,174.84, 1,532,069.16 and 680,691.72

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Solution

The fourth proportional to 1,110,174.84, 1,532,069.16 and 680,691.72 is: 939,371.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,174.84 : 1,532,069.16 = 680,691.72 : x
  2. Step 2: Convert to fraction form
    1,110,174.84/1,532,069.16 = 680,691.72/x
  3. Step 3: Cross multiply
    1,110,174.84x = 1,532,069.16 × 680,691.72
  4. Step 4: Simplify right side
    1,110,174.84x = 1,042,866,791,679.36
  5. Step 5: Solve for x
    x = 1,042,866,791,679.36/1,110,174.84
  6. Step 6: Final answer
    x = 939,371.67

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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.