Home / 1,487,136.27-2,052,243.03-842,679.30

Finding the Fourth Proportional to 1,487,136.27, 2,052,243.03 and 842,679.30

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Solution

The fourth proportional to 1,487,136.27, 2,052,243.03 and 842,679.30 is: 1,162,894.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,136.27 : 2,052,243.03 = 842,679.30 : x
  2. Step 2: Convert to fraction form
    1,487,136.27/2,052,243.03 = 842,679.30/x
  3. Step 3: Cross multiply
    1,487,136.27x = 2,052,243.03 × 842,679.30
  4. Step 4: Simplify right side
    1,487,136.27x = 1,729,382,719,950.28
  5. Step 5: Solve for x
    x = 1,729,382,719,950.28/1,487,136.27
  6. Step 6: Final answer
    x = 1,162,894.59

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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.