Home / 1,369,027.80-2,053,833.30-422,494.20

Finding the Fourth Proportional to 1,369,027.80, 2,053,833.30 and 422,494.20

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Solution

The fourth proportional to 1,369,027.80, 2,053,833.30 and 422,494.20 is: 633,831.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,027.80 : 2,053,833.30 = 422,494.20 : x
  2. Step 2: Convert to fraction form
    1,369,027.80/2,053,833.30 = 422,494.20/x
  3. Step 3: Cross multiply
    1,369,027.80x = 2,053,833.30 × 422,494.20
  4. Step 4: Simplify right side
    1,369,027.80x = 867,732,657,016.86
  5. Step 5: Solve for x
    x = 867,732,657,016.86/1,369,027.80
  6. Step 6: Final answer
    x = 633,831.29

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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.