Home / 1,252,590.20-1,878,863.31-867,984.38

Finding the Fourth Proportional to 1,252,590.20, 1,878,863.31 and 867,984.38

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Solution

The fourth proportional to 1,252,590.20, 1,878,863.31 and 867,984.38 is: 1,301,961.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,590.20 : 1,878,863.31 = 867,984.38 : x
  2. Step 2: Convert to fraction form
    1,252,590.20/1,878,863.31 = 867,984.38/x
  3. Step 3: Cross multiply
    1,252,590.20x = 1,878,863.31 × 867,984.38
  4. Step 4: Simplify right side
    1,252,590.20x = 1,630,824,005,235.10
  5. Step 5: Solve for x
    x = 1,630,824,005,235.10/1,252,590.20
  6. Step 6: Final answer
    x = 1,301,961.33

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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.