Home / 1,287,399.52-1,932,370.49-966,435.40

Finding the Fourth Proportional to 1,287,399.52, 1,932,370.49 and 966,435.40

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Solution

The fourth proportional to 1,287,399.52, 1,932,370.49 and 966,435.40 is: 1,450,607.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,399.52 : 1,932,370.49 = 966,435.40 : x
  2. Step 2: Convert to fraction form
    1,287,399.52/1,932,370.49 = 966,435.40/x
  3. Step 3: Cross multiply
    1,287,399.52x = 1,932,370.49 × 966,435.40
  4. Step 4: Simplify right side
    1,287,399.52x = 1,867,511,247,451.35
  5. Step 5: Solve for x
    x = 1,867,511,247,451.35/1,287,399.52
  6. Step 6: Final answer
    x = 1,450,607.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.