Home / 1,397,360.20-2,096,040.30-400,088.20

Finding the Fourth Proportional to 1,397,360.20, 2,096,040.30 and 400,088.20

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Solution

The fourth proportional to 1,397,360.20, 2,096,040.30 and 400,088.20 is: 600,132.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,360.20 : 2,096,040.30 = 400,088.20 : x
  2. Step 2: Convert to fraction form
    1,397,360.20/2,096,040.30 = 400,088.20/x
  3. Step 3: Cross multiply
    1,397,360.20x = 2,096,040.30 × 400,088.20
  4. Step 4: Simplify right side
    1,397,360.20x = 838,600,990,754.46
  5. Step 5: Solve for x
    x = 838,600,990,754.46/1,397,360.20
  6. Step 6: Final answer
    x = 600,132.30

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Double scale
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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.