Home / 1,432,239.06-1,976,450.46-787,659.19

Finding the Fourth Proportional to 1,432,239.06, 1,976,450.46 and 787,659.19

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Solution

The fourth proportional to 1,432,239.06, 1,976,450.46 and 787,659.19 is: 1,086,947.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,239.06 : 1,976,450.46 = 787,659.19 : x
  2. Step 2: Convert to fraction form
    1,432,239.06/1,976,450.46 = 787,659.19/x
  3. Step 3: Cross multiply
    1,432,239.06x = 1,976,450.46 × 787,659.19
  4. Step 4: Simplify right side
    1,432,239.06x = 1,556,769,360,503.88
  5. Step 5: Solve for x
    x = 1,556,769,360,503.88/1,432,239.06
  6. Step 6: Final answer
    x = 1,086,947.98

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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.