Home / 1,071,251.80-1,478,277.90-587,804.92

Finding the Fourth Proportional to 1,071,251.80, 1,478,277.90 and 587,804.92

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Solution

The fourth proportional to 1,071,251.80, 1,478,277.90 and 587,804.92 is: 811,143.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,251.80 : 1,478,277.90 = 587,804.92 : x
  2. Step 2: Convert to fraction form
    1,071,251.80/1,478,277.90 = 587,804.92/x
  3. Step 3: Cross multiply
    1,071,251.80x = 1,478,277.90 × 587,804.92
  4. Step 4: Simplify right side
    1,071,251.80x = 868,939,022,747.27
  5. Step 5: Solve for x
    x = 868,939,022,747.27/1,071,251.80
  6. Step 6: Final answer
    x = 811,143.58

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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.