Home / 1,011,378.52-1,517,126.12-380,297.80

Finding the Fourth Proportional to 1,011,378.52, 1,517,126.12 and 380,297.80

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Solution

The fourth proportional to 1,011,378.52, 1,517,126.12 and 380,297.80 is: 570,468.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,378.52 : 1,517,126.12 = 380,297.80 : x
  2. Step 2: Convert to fraction form
    1,011,378.52/1,517,126.12 = 380,297.80/x
  3. Step 3: Cross multiply
    1,011,378.52x = 1,517,126.12 × 380,297.80
  4. Step 4: Simplify right side
    1,011,378.52x = 576,959,725,758.54
  5. Step 5: Solve for x
    x = 576,959,725,758.54/1,011,378.52
  6. Step 6: Final answer
    x = 570,468.64

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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.