Home / 1,098,564.20-1,647,846.30-1,079,901.80

Finding the Fourth Proportional to 1,098,564.20, 1,647,846.30 and 1,079,901.80

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Solution

The fourth proportional to 1,098,564.20, 1,647,846.30 and 1,079,901.80 is: 1,619,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,564.20 : 1,647,846.30 = 1,079,901.80 : x
  2. Step 2: Convert to fraction form
    1,098,564.20/1,647,846.30 = 1,079,901.80/x
  3. Step 3: Cross multiply
    1,098,564.20x = 1,647,846.30 × 1,079,901.80
  4. Step 4: Simplify right side
    1,098,564.20x = 1,779,512,185,493.34
  5. Step 5: Solve for x
    x = 1,779,512,185,493.34/1,098,564.20
  6. Step 6: Final answer
    x = 1,619,852.70

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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.