Home / 1,178,121.15-1,625,939.15-713,231.27

Finding the Fourth Proportional to 1,178,121.15, 1,625,939.15 and 713,231.27

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Solution

The fourth proportional to 1,178,121.15, 1,625,939.15 and 713,231.27 is: 984,339.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,121.15 : 1,625,939.15 = 713,231.27 : x
  2. Step 2: Convert to fraction form
    1,178,121.15/1,625,939.15 = 713,231.27/x
  3. Step 3: Cross multiply
    1,178,121.15x = 1,625,939.15 × 713,231.27
  4. Step 4: Simplify right side
    1,178,121.15x = 1,159,670,644,897.22
  5. Step 5: Solve for x
    x = 1,159,670,644,897.22/1,178,121.15
  6. Step 6: Final answer
    x = 984,339.04

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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.