Home / 1,462,469.20-2,194,999.80-862,680.40

Finding the Fourth Proportional to 1,462,469.20, 2,194,999.80 and 862,680.40

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Solution

The fourth proportional to 1,462,469.20, 2,194,999.80 and 862,680.40 is: 1,294,785.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462,469.20 : 2,194,999.80 = 862,680.40 : x
  2. Step 2: Convert to fraction form
    1,462,469.20/2,194,999.80 = 862,680.40/x
  3. Step 3: Cross multiply
    1,462,469.20x = 2,194,999.80 × 862,680.40
  4. Step 4: Simplify right side
    1,462,469.20x = 1,893,583,305,463.92
  5. Step 5: Solve for x
    x = 1,893,583,305,463.92/1,462,469.20
  6. Step 6: Final answer
    x = 1,294,785.08

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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.