Home / 1,371,872.24-1,893,251.60-827,999.36

Finding the Fourth Proportional to 1,371,872.24, 1,893,251.60 and 827,999.36

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Solution

The fourth proportional to 1,371,872.24, 1,893,251.60 and 827,999.36 is: 1,142,680.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,872.24 : 1,893,251.60 = 827,999.36 : x
  2. Step 2: Convert to fraction form
    1,371,872.24/1,893,251.60 = 827,999.36/x
  3. Step 3: Cross multiply
    1,371,872.24x = 1,893,251.60 × 827,999.36
  4. Step 4: Simplify right side
    1,371,872.24x = 1,567,611,113,118.98
  5. Step 5: Solve for x
    x = 1,567,611,113,118.98/1,371,872.24
  6. Step 6: Final answer
    x = 1,142,680.10

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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.