Home / 1,367,880.20-1,887,772.40-756,019.80

Finding the Fourth Proportional to 1,367,880.20, 1,887,772.40 and 756,019.80

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Solution

The fourth proportional to 1,367,880.20, 1,887,772.40 and 756,019.80 is: 1,043,361.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,880.20 : 1,887,772.40 = 756,019.80 : x
  2. Step 2: Convert to fraction form
    1,367,880.20/1,887,772.40 = 756,019.80/x
  3. Step 3: Cross multiply
    1,367,880.20x = 1,887,772.40 × 756,019.80
  4. Step 4: Simplify right side
    1,367,880.20x = 1,427,193,312,293.52
  5. Step 5: Solve for x
    x = 1,427,193,312,293.52/1,367,880.20
  6. Step 6: Final answer
    x = 1,043,361.34

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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.