Home / 1,265,716.20-1,898,574.30-379,252.20

Finding the Fourth Proportional to 1,265,716.20, 1,898,574.30 and 379,252.20

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Solution

The fourth proportional to 1,265,716.20, 1,898,574.30 and 379,252.20 is: 568,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,716.20 : 1,898,574.30 = 379,252.20 : x
  2. Step 2: Convert to fraction form
    1,265,716.20/1,898,574.30 = 379,252.20/x
  3. Step 3: Cross multiply
    1,265,716.20x = 1,898,574.30 × 379,252.20
  4. Step 4: Simplify right side
    1,265,716.20x = 720,038,480,138.46
  5. Step 5: Solve for x
    x = 720,038,480,138.46/1,265,716.20
  6. Step 6: Final answer
    x = 568,878.30

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Similar ratio
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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.