Home / 1,472,976.20-2,032,470.96-828,394.40

Finding the Fourth Proportional to 1,472,976.20, 2,032,470.96 and 828,394.40

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Solution

The fourth proportional to 1,472,976.20, 2,032,470.96 and 828,394.40 is: 1,143,051.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,976.20 : 2,032,470.96 = 828,394.40 : x
  2. Step 2: Convert to fraction form
    1,472,976.20/2,032,470.96 = 828,394.40/x
  3. Step 3: Cross multiply
    1,472,976.20x = 2,032,470.96 × 828,394.40
  4. Step 4: Simplify right side
    1,472,976.20x = 1,683,687,561,426.62
  5. Step 5: Solve for x
    x = 1,683,687,561,426.62/1,472,976.20
  6. Step 6: Final answer
    x = 1,143,051.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.