Home / 819,843.04-1,221,614.23-730,409.32

Finding the Fourth Proportional to 819,843.04, 1,221,614.23 and 730,409.32

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Solution

The fourth proportional to 819,843.04, 1,221,614.23 and 730,409.32 is: 1,088,352.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,843.04 : 1,221,614.23 = 730,409.32 : x
  2. Step 2: Convert to fraction form
    819,843.04/1,221,614.23 = 730,409.32/x
  3. Step 3: Cross multiply
    819,843.04x = 1,221,614.23 × 730,409.32
  4. Step 4: Simplify right side
    819,843.04x = 892,278,419,036.62
  5. Step 5: Solve for x
    x = 892,278,419,036.62/819,843.04
  6. Step 6: Final answer
    x = 1,088,352.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.