Home / 1,097,311.80-1,643,343.30-887,359.80

Finding the Fourth Proportional to 1,097,311.80, 1,643,343.30 and 887,359.80

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Solution

The fourth proportional to 1,097,311.80, 1,643,343.30 and 887,359.80 is: 1,328,917.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,311.80 : 1,643,343.30 = 887,359.80 : x
  2. Step 2: Convert to fraction form
    1,097,311.80/1,643,343.30 = 887,359.80/x
  3. Step 3: Cross multiply
    1,097,311.80x = 1,643,343.30 × 887,359.80
  4. Step 4: Simplify right side
    1,097,311.80x = 1,458,236,782,019.34
  5. Step 5: Solve for x
    x = 1,458,236,782,019.34/1,097,311.80
  6. Step 6: Final answer
    x = 1,328,917.43

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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.