Home / 1,235,982.80-1,853,974.20-987,150.80

Finding the Fourth Proportional to 1,235,982.80, 1,853,974.20 and 987,150.80

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Solution

The fourth proportional to 1,235,982.80, 1,853,974.20 and 987,150.80 is: 1,480,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,982.80 : 1,853,974.20 = 987,150.80 : x
  2. Step 2: Convert to fraction form
    1,235,982.80/1,853,974.20 = 987,150.80/x
  3. Step 3: Cross multiply
    1,235,982.80x = 1,853,974.20 × 987,150.80
  4. Step 4: Simplify right side
    1,235,982.80x = 1,830,152,114,709.36
  5. Step 5: Solve for x
    x = 1,830,152,114,709.36/1,235,982.80
  6. Step 6: Final answer
    x = 1,480,726.20

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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.