Home / 1,974,432.20-2,961,648.09-478,524.20

Finding the Fourth Proportional to 1,974,432.20, 2,961,648.09 and 478,524.20

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Solution

The fourth proportional to 1,974,432.20, 2,961,648.09 and 478,524.20 is: 717,786.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,432.20 : 2,961,648.09 = 478,524.20 : x
  2. Step 2: Convert to fraction form
    1,974,432.20/2,961,648.09 = 478,524.20/x
  3. Step 3: Cross multiply
    1,974,432.20x = 2,961,648.09 × 478,524.20
  4. Step 4: Simplify right side
    1,974,432.20x = 1,417,220,268,140.54
  5. Step 5: Solve for x
    x = 1,417,220,268,140.54/1,974,432.20
  6. Step 6: Final answer
    x = 717,786.24

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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.