Home / 1,238,365.80-1,857,548.70-1,067,123.70

Finding the Fourth Proportional to 1,238,365.80, 1,857,548.70 and 1,067,123.70

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Solution

The fourth proportional to 1,238,365.80, 1,857,548.70 and 1,067,123.70 is: 1,600,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,365.80 : 1,857,548.70 = 1,067,123.70 : x
  2. Step 2: Convert to fraction form
    1,238,365.80/1,857,548.70 = 1,067,123.70/x
  3. Step 3: Cross multiply
    1,238,365.80x = 1,857,548.70 × 1,067,123.70
  4. Step 4: Simplify right side
    1,238,365.80x = 1,982,234,241,674.19
  5. Step 5: Solve for x
    x = 1,982,234,241,674.19/1,238,365.80
  6. Step 6: Final answer
    x = 1,600,685.55

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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.