Home / 1,018,131.20-1,527,393.21-386,995.66

Finding the Fourth Proportional to 1,018,131.20, 1,527,393.21 and 386,995.66

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Solution

The fourth proportional to 1,018,131.20, 1,527,393.21 and 386,995.66 is: 580,568.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,131.20 : 1,527,393.21 = 386,995.66 : x
  2. Step 2: Convert to fraction form
    1,018,131.20/1,527,393.21 = 386,995.66/x
  3. Step 3: Cross multiply
    1,018,131.20x = 1,527,393.21 × 386,995.66
  4. Step 4: Simplify right side
    1,018,131.20x = 591,094,543,383.47
  5. Step 5: Solve for x
    x = 591,094,543,383.47/1,018,131.20
  6. Step 6: Final answer
    x = 580,568.15

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Double scale
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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.