Home / 1,680,717.20-2,521,074.38-615,842.60

Finding the Fourth Proportional to 1,680,717.20, 2,521,074.38 and 615,842.60

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Solution

The fourth proportional to 1,680,717.20, 2,521,074.38 and 615,842.60 is: 923,763.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,717.20 : 2,521,074.38 = 615,842.60 : x
  2. Step 2: Convert to fraction form
    1,680,717.20/2,521,074.38 = 615,842.60/x
  3. Step 3: Cross multiply
    1,680,717.20x = 2,521,074.38 × 615,842.60
  4. Step 4: Simplify right side
    1,680,717.20x = 1,552,584,985,288.00
  5. Step 5: Solve for x
    x = 1,552,584,985,288.00/1,680,717.20
  6. Step 6: Final answer
    x = 923,763.37

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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.