Home / 994,846.09-1,371,912.30-631,639.38

Finding the Fourth Proportional to 994,846.09, 1,371,912.30 and 631,639.38

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Solution

The fourth proportional to 994,846.09, 1,371,912.30 and 631,639.38 is: 871,043.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,846.09 : 1,371,912.30 = 631,639.38 : x
  2. Step 2: Convert to fraction form
    994,846.09/1,371,912.30 = 631,639.38/x
  3. Step 3: Cross multiply
    994,846.09x = 1,371,912.30 × 631,639.38
  4. Step 4: Simplify right side
    994,846.09x = 866,553,838,016.16
  5. Step 5: Solve for x
    x = 866,553,838,016.16/994,846.09
  6. Step 6: Final answer
    x = 871,043.11

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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.