Home / 1,029,896.80-1,544,845.20-987,906.40

Finding the Fourth Proportional to 1,029,896.80, 1,544,845.20 and 987,906.40

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Solution

The fourth proportional to 1,029,896.80, 1,544,845.20 and 987,906.40 is: 1,481,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,896.80 : 1,544,845.20 = 987,906.40 : x
  2. Step 2: Convert to fraction form
    1,029,896.80/1,544,845.20 = 987,906.40/x
  3. Step 3: Cross multiply
    1,029,896.80x = 1,544,845.20 × 987,906.40
  4. Step 4: Simplify right side
    1,029,896.80x = 1,526,162,460,089.28
  5. Step 5: Solve for x
    x = 1,526,162,460,089.28/1,029,896.80
  6. Step 6: Final answer
    x = 1,481,859.60

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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.