Home / 1,479,346.40-2,221,093.20-919,474.40

Finding the Fourth Proportional to 1,479,346.40, 2,221,093.20 and 919,474.40

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Solution

The fourth proportional to 1,479,346.40, 2,221,093.20 and 919,474.40 is: 1,380,500.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,346.40 : 2,221,093.20 = 919,474.40 : x
  2. Step 2: Convert to fraction form
    1,479,346.40/2,221,093.20 = 919,474.40/x
  3. Step 3: Cross multiply
    1,479,346.40x = 2,221,093.20 × 919,474.40
  4. Step 4: Simplify right side
    1,479,346.40x = 2,042,238,337,414.08
  5. Step 5: Solve for x
    x = 2,042,238,337,414.08/1,479,346.40
  6. Step 6: Final answer
    x = 1,380,500.43

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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.