Home / 1,195,280.20-1,649,469.18-651,428.20

Finding the Fourth Proportional to 1,195,280.20, 1,649,469.18 and 651,428.20

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Solution

The fourth proportional to 1,195,280.20, 1,649,469.18 and 651,428.20 is: 898,961.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,280.20 : 1,649,469.18 = 651,428.20 : x
  2. Step 2: Convert to fraction form
    1,195,280.20/1,649,469.18 = 651,428.20/x
  3. Step 3: Cross multiply
    1,195,280.20x = 1,649,469.18 × 651,428.20
  4. Step 4: Simplify right side
    1,195,280.20x = 1,074,510,738,882.88
  5. Step 5: Solve for x
    x = 1,074,510,738,882.88/1,195,280.20
  6. Step 6: Final answer
    x = 898,961.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.