Home / 1,942,819.60-2,912,465.20-679,958.32

Finding the Fourth Proportional to 1,942,819.60, 2,912,465.20 and 679,958.32

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Solution

The fourth proportional to 1,942,819.60, 2,912,465.20 and 679,958.32 is: 1,019,320.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,819.60 : 2,912,465.20 = 679,958.32 : x
  2. Step 2: Convert to fraction form
    1,942,819.60/2,912,465.20 = 679,958.32/x
  3. Step 3: Cross multiply
    1,942,819.60x = 2,912,465.20 × 679,958.32
  4. Step 4: Simplify right side
    1,942,819.60x = 1,980,354,944,450.46
  5. Step 5: Solve for x
    x = 1,980,354,944,450.46/1,942,819.60
  6. Step 6: Final answer
    x = 1,019,320.04

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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.