Home / 1,409,150.40-2,111,306.40-659,659.20

Finding the Fourth Proportional to 1,409,150.40, 2,111,306.40 and 659,659.20

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Solution

The fourth proportional to 1,409,150.40, 2,111,306.40 and 659,659.20 is: 988,356.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,150.40 : 2,111,306.40 = 659,659.20 : x
  2. Step 2: Convert to fraction form
    1,409,150.40/2,111,306.40 = 659,659.20/x
  3. Step 3: Cross multiply
    1,409,150.40x = 2,111,306.40 × 659,659.20
  4. Step 4: Simplify right side
    1,409,150.40x = 1,392,742,690,778.88
  5. Step 5: Solve for x
    x = 1,392,742,690,778.88/1,409,150.40
  6. Step 6: Final answer
    x = 988,356.31

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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.