Home / 1,238,051.52-1,857,076.80-817,228.80

Finding the Fourth Proportional to 1,238,051.52, 1,857,076.80 and 817,228.80

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Solution

The fourth proportional to 1,238,051.52, 1,857,076.80 and 817,228.80 is: 1,225,842.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,051.52 : 1,857,076.80 = 817,228.80 : x
  2. Step 2: Convert to fraction form
    1,238,051.52/1,857,076.80 = 817,228.80/x
  3. Step 3: Cross multiply
    1,238,051.52x = 1,857,076.80 × 817,228.80
  4. Step 4: Simplify right side
    1,238,051.52x = 1,517,656,644,771.84
  5. Step 5: Solve for x
    x = 1,517,656,644,771.84/1,238,051.52
  6. Step 6: Final answer
    x = 1,225,842.88

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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.