Home / 1,488,692.80-2,233,039.20-858,836.80

Finding the Fourth Proportional to 1,488,692.80, 2,233,039.20 and 858,836.80

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Solution

The fourth proportional to 1,488,692.80, 2,233,039.20 and 858,836.80 is: 1,288,255.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,692.80 : 2,233,039.20 = 858,836.80 : x
  2. Step 2: Convert to fraction form
    1,488,692.80/2,233,039.20 = 858,836.80/x
  3. Step 3: Cross multiply
    1,488,692.80x = 2,233,039.20 × 858,836.80
  4. Step 4: Simplify right side
    1,488,692.80x = 1,917,816,240,802.56
  5. Step 5: Solve for x
    x = 1,917,816,240,802.56/1,488,692.80
  6. Step 6: Final answer
    x = 1,288,255.20

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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.