Home / 989,862.30-1,484,793.45-823,974.30

Finding the Fourth Proportional to 989,862.30, 1,484,793.45 and 823,974.30

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Solution

The fourth proportional to 989,862.30, 1,484,793.45 and 823,974.30 is: 1,235,961.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,862.30 : 1,484,793.45 = 823,974.30 : x
  2. Step 2: Convert to fraction form
    989,862.30/1,484,793.45 = 823,974.30/x
  3. Step 3: Cross multiply
    989,862.30x = 1,484,793.45 × 823,974.30
  4. Step 4: Simplify right side
    989,862.30x = 1,223,431,643,608.34
  5. Step 5: Solve for x
    x = 1,223,431,643,608.34/989,862.30
  6. Step 6: Final answer
    x = 1,235,961.45

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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.