Home / 1,432,519.37-1,976,835.05-787,939.39

Finding the Fourth Proportional to 1,432,519.37, 1,976,835.05 and 787,939.39

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Solution

The fourth proportional to 1,432,519.37, 1,976,835.05 and 787,939.39 is: 1,087,333.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,519.37 : 1,976,835.05 = 787,939.39 : x
  2. Step 2: Convert to fraction form
    1,432,519.37/1,976,835.05 = 787,939.39/x
  3. Step 3: Cross multiply
    1,432,519.37x = 1,976,835.05 × 787,939.39
  4. Step 4: Simplify right side
    1,432,519.37x = 1,557,626,199,487.92
  5. Step 5: Solve for x
    x = 1,557,626,199,487.92/1,432,519.37
  6. Step 6: Final answer
    x = 1,087,333.43

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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.