Home / 1,098,014.20-1,649,786.10-698,846.20

Finding the Fourth Proportional to 1,098,014.20, 1,649,786.10 and 698,846.20

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Solution

The fourth proportional to 1,098,014.20, 1,649,786.10 and 698,846.20 is: 1,050,028.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,014.20 : 1,649,786.10 = 698,846.20 : x
  2. Step 2: Convert to fraction form
    1,098,014.20/1,649,786.10 = 698,846.20/x
  3. Step 3: Cross multiply
    1,098,014.20x = 1,649,786.10 × 698,846.20
  4. Step 4: Simplify right side
    1,098,014.20x = 1,152,946,746,797.82
  5. Step 5: Solve for x
    x = 1,152,946,746,797.82/1,098,014.20
  6. Step 6: Final answer
    x = 1,050,028.99

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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.