Home / 1,346,144.80-2,019,217.20-814,703.80

Finding the Fourth Proportional to 1,346,144.80, 2,019,217.20 and 814,703.80

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Solution

The fourth proportional to 1,346,144.80, 2,019,217.20 and 814,703.80 is: 1,222,055.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,144.80 : 2,019,217.20 = 814,703.80 : x
  2. Step 2: Convert to fraction form
    1,346,144.80/2,019,217.20 = 814,703.80/x
  3. Step 3: Cross multiply
    1,346,144.80x = 2,019,217.20 × 814,703.80
  4. Step 4: Simplify right side
    1,346,144.80x = 1,645,063,925,865.36
  5. Step 5: Solve for x
    x = 1,645,063,925,865.36/1,346,144.80
  6. Step 6: Final answer
    x = 1,222,055.70

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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.