Home / 1,432,108.23-1,976,323.50-787,532.91

Finding the Fourth Proportional to 1,432,108.23, 1,976,323.50 and 787,532.91

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Solution

The fourth proportional to 1,432,108.23, 1,976,323.50 and 787,532.91 is: 1,086,803.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,108.23 : 1,976,323.50 = 787,532.91 : x
  2. Step 2: Convert to fraction form
    1,432,108.23/1,976,323.50 = 787,532.91/x
  3. Step 3: Cross multiply
    1,432,108.23x = 1,976,323.50 × 787,532.91
  4. Step 4: Simplify right side
    1,432,108.23x = 1,556,419,797,056.39
  5. Step 5: Solve for x
    x = 1,556,419,797,056.39/1,432,108.23
  6. Step 6: Final answer
    x = 1,086,803.19

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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.