Home / 1,432,025.33-1,976,245.70-787,494.56

Finding the Fourth Proportional to 1,432,025.33, 1,976,245.70 and 787,494.56

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Solution

The fourth proportional to 1,432,025.33, 1,976,245.70 and 787,494.56 is: 1,086,770.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,025.33 : 1,976,245.70 = 787,494.56 : x
  2. Step 2: Convert to fraction form
    1,432,025.33/1,976,245.70 = 787,494.56/x
  3. Step 3: Cross multiply
    1,432,025.33x = 1,976,245.70 × 787,494.56
  4. Step 4: Simplify right side
    1,432,025.33x = 1,556,282,724,154.69
  5. Step 5: Solve for x
    x = 1,556,282,724,154.69/1,432,025.33
  6. Step 6: Final answer
    x = 1,086,770.39

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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.