Home / 1,375,551.20-2,063,326.80-378,279.20

Finding the Fourth Proportional to 1,375,551.20, 2,063,326.80 and 378,279.20

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Solution

The fourth proportional to 1,375,551.20, 2,063,326.80 and 378,279.20 is: 567,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,551.20 : 2,063,326.80 = 378,279.20 : x
  2. Step 2: Convert to fraction form
    1,375,551.20/2,063,326.80 = 378,279.20/x
  3. Step 3: Cross multiply
    1,375,551.20x = 2,063,326.80 × 378,279.20
  4. Step 4: Simplify right side
    1,375,551.20x = 780,513,611,242.56
  5. Step 5: Solve for x
    x = 780,513,611,242.56/1,375,551.20
  6. Step 6: Final answer
    x = 567,418.80

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1.5x scale

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.