Home / 1,307,319.12-1,960,063.92-667,820.88

Finding the Fourth Proportional to 1,307,319.12, 1,960,063.92 and 667,820.88

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Solution

The fourth proportional to 1,307,319.12, 1,960,063.92 and 667,820.88 is: 1,001,264.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,319.12 : 1,960,063.92 = 667,820.88 : x
  2. Step 2: Convert to fraction form
    1,307,319.12/1,960,063.92 = 667,820.88/x
  3. Step 3: Cross multiply
    1,307,319.12x = 1,960,063.92 × 667,820.88
  4. Step 4: Simplify right side
    1,307,319.12x = 1,308,971,611,910.65
  5. Step 5: Solve for x
    x = 1,308,971,611,910.65/1,307,319.12
  6. Step 6: Final answer
    x = 1,001,264.03

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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.