Home / 1,267,942.40-1,898,414.40-988,006.40

Finding the Fourth Proportional to 1,267,942.40, 1,898,414.40 and 988,006.40

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Solution

The fourth proportional to 1,267,942.40, 1,898,414.40 and 988,006.40 is: 1,479,282.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,942.40 : 1,898,414.40 = 988,006.40 : x
  2. Step 2: Convert to fraction form
    1,267,942.40/1,898,414.40 = 988,006.40/x
  3. Step 3: Cross multiply
    1,267,942.40x = 1,898,414.40 × 988,006.40
  4. Step 4: Simplify right side
    1,267,942.40x = 1,875,645,577,052.16
  5. Step 5: Solve for x
    x = 1,875,645,577,052.16/1,267,942.40
  6. Step 6: Final answer
    x = 1,479,282.95

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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.