Home / 1,306,832.01-1,960,641.68-408,237.45

Finding the Fourth Proportional to 1,306,832.01, 1,960,641.68 and 408,237.45

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Solution

The fourth proportional to 1,306,832.01, 1,960,641.68 and 408,237.45 is: 612,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,832.01 : 1,960,641.68 = 408,237.45 : x
  2. Step 2: Convert to fraction form
    1,306,832.01/1,960,641.68 = 408,237.45/x
  3. Step 3: Cross multiply
    1,306,832.01x = 1,960,641.68 × 408,237.45
  4. Step 4: Simplify right side
    1,306,832.01x = 800,407,359,806.92
  5. Step 5: Solve for x
    x = 800,407,359,806.92/1,306,832.01
  6. Step 6: Final answer
    x = 612,479.15

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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.