Home / 1,207,172.76-1,810,617.66-408,451.92

Finding the Fourth Proportional to 1,207,172.76, 1,810,617.66 and 408,451.92

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Solution

The fourth proportional to 1,207,172.76, 1,810,617.66 and 408,451.92 is: 612,630.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,172.76 : 1,810,617.66 = 408,451.92 : x
  2. Step 2: Convert to fraction form
    1,207,172.76/1,810,617.66 = 408,451.92/x
  3. Step 3: Cross multiply
    1,207,172.76x = 1,810,617.66 × 408,451.92
  4. Step 4: Simplify right side
    1,207,172.76x = 739,550,259,612.91
  5. Step 5: Solve for x
    x = 739,550,259,612.91/1,207,172.76
  6. Step 6: Final answer
    x = 612,630.01

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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.