Home / 1,367,195.76-2,049,445.80-480,109.68

Finding the Fourth Proportional to 1,367,195.76, 2,049,445.80 and 480,109.68

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Solution

The fourth proportional to 1,367,195.76, 2,049,445.80 and 480,109.68 is: 719,691.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,195.76 : 2,049,445.80 = 480,109.68 : x
  2. Step 2: Convert to fraction form
    1,367,195.76/2,049,445.80 = 480,109.68/x
  3. Step 3: Cross multiply
    1,367,195.76x = 2,049,445.80 × 480,109.68
  4. Step 4: Simplify right side
    1,367,195.76x = 983,958,767,215.34
  5. Step 5: Solve for x
    x = 983,958,767,215.34/1,367,195.76
  6. Step 6: Final answer
    x = 719,691.21

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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.