Home / 1,432,254.49-1,976,471.79-787,674.71

Finding the Fourth Proportional to 1,432,254.49, 1,976,471.79 and 787,674.71

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Solution

The fourth proportional to 1,432,254.49, 1,976,471.79 and 787,674.71 is: 1,086,969.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,254.49 : 1,976,471.79 = 787,674.71 : x
  2. Step 2: Convert to fraction form
    1,432,254.49/1,976,471.79 = 787,674.71/x
  3. Step 3: Cross multiply
    1,432,254.49x = 1,976,471.79 × 787,674.71
  4. Step 4: Simplify right side
    1,432,254.49x = 1,556,816,848,952.61
  5. Step 5: Solve for x
    x = 1,556,816,848,952.61/1,432,254.49
  6. Step 6: Final answer
    x = 1,086,969.43

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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.