Home / 1,287,688.38-1,932,804.45-966,724.26

Finding the Fourth Proportional to 1,287,688.38, 1,932,804.45 and 966,724.26

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Solution

The fourth proportional to 1,287,688.38, 1,932,804.45 and 966,724.26 is: 1,451,041.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,688.38 : 1,932,804.45 = 966,724.26 : x
  2. Step 2: Convert to fraction form
    1,287,688.38/1,932,804.45 = 966,724.26/x
  3. Step 3: Cross multiply
    1,287,688.38x = 1,932,804.45 × 966,724.26
  4. Step 4: Simplify right side
    1,287,688.38x = 1,868,488,951,650.96
  5. Step 5: Solve for x
    x = 1,868,488,951,650.96/1,287,688.38
  6. Step 6: Final answer
    x = 1,451,041.25

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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.