Home / 1,188,266.10-1,782,399.15-389,573.70

Finding the Fourth Proportional to 1,188,266.10, 1,782,399.15 and 389,573.70

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Solution

The fourth proportional to 1,188,266.10, 1,782,399.15 and 389,573.70 is: 584,360.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,266.10 : 1,782,399.15 = 389,573.70 : x
  2. Step 2: Convert to fraction form
    1,188,266.10/1,782,399.15 = 389,573.70/x
  3. Step 3: Cross multiply
    1,188,266.10x = 1,782,399.15 × 389,573.70
  4. Step 4: Simplify right side
    1,188,266.10x = 694,375,831,742.36
  5. Step 5: Solve for x
    x = 694,375,831,742.36/1,188,266.10
  6. Step 6: Final answer
    x = 584,360.55

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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.