Home / 1,627,144.20-2,440,278.90-489,904.20

Finding the Fourth Proportional to 1,627,144.20, 2,440,278.90 and 489,904.20

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Solution

The fourth proportional to 1,627,144.20, 2,440,278.90 and 489,904.20 is: 734,724.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,144.20 : 2,440,278.90 = 489,904.20 : x
  2. Step 2: Convert to fraction form
    1,627,144.20/2,440,278.90 = 489,904.20/x
  3. Step 3: Cross multiply
    1,627,144.20x = 2,440,278.90 × 489,904.20
  4. Step 4: Simplify right side
    1,627,144.20x = 1,195,502,882,281.38
  5. Step 5: Solve for x
    x = 1,195,502,882,281.38/1,627,144.20
  6. Step 6: Final answer
    x = 734,724.61

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1.5x scale

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.