Home / 1,236,700.80-1,855,051.20-438,883.20

Finding the Fourth Proportional to 1,236,700.80, 1,855,051.20 and 438,883.20

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Solution

The fourth proportional to 1,236,700.80, 1,855,051.20 and 438,883.20 is: 658,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,700.80 : 1,855,051.20 = 438,883.20 : x
  2. Step 2: Convert to fraction form
    1,236,700.80/1,855,051.20 = 438,883.20/x
  3. Step 3: Cross multiply
    1,236,700.80x = 1,855,051.20 × 438,883.20
  4. Step 4: Simplify right side
    1,236,700.80x = 814,150,806,819.84
  5. Step 5: Solve for x
    x = 814,150,806,819.84/1,236,700.80
  6. Step 6: Final answer
    x = 658,324.80

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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.