Home / 1,429,304.40-2,140,846.20-867,358.80

Finding the Fourth Proportional to 1,429,304.40, 2,140,846.20 and 867,358.80

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Solution

The fourth proportional to 1,429,304.40, 2,140,846.20 and 867,358.80 is: 1,299,150.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,304.40 : 2,140,846.20 = 867,358.80 : x
  2. Step 2: Convert to fraction form
    1,429,304.40/2,140,846.20 = 867,358.80/x
  3. Step 3: Cross multiply
    1,429,304.40x = 2,140,846.20 × 867,358.80
  4. Step 4: Simplify right side
    1,429,304.40x = 1,856,881,791,016.56
  5. Step 5: Solve for x
    x = 1,856,881,791,016.56/1,429,304.40
  6. Step 6: Final answer
    x = 1,299,150.69

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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.