Home / 1,267,961.74-1,898,787.69-887,099.34

Finding the Fourth Proportional to 1,267,961.74, 1,898,787.69 and 887,099.34

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Solution

The fourth proportional to 1,267,961.74, 1,898,787.69 and 887,099.34 is: 1,328,441.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,961.74 : 1,898,787.69 = 887,099.34 : x
  2. Step 2: Convert to fraction form
    1,267,961.74/1,898,787.69 = 887,099.34/x
  3. Step 3: Cross multiply
    1,267,961.74x = 1,898,787.69 × 887,099.34
  4. Step 4: Simplify right side
    1,267,961.74x = 1,684,413,306,599.12
  5. Step 5: Solve for x
    x = 1,684,413,306,599.12/1,267,961.74
  6. Step 6: Final answer
    x = 1,328,441.75

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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.