Home / 1,393,785.42-2,090,734.84-663,933.46

Finding the Fourth Proportional to 1,393,785.42, 2,090,734.84 and 663,933.46

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Solution

The fourth proportional to 1,393,785.42, 2,090,734.84 and 663,933.46 is: 995,927.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,785.42 : 2,090,734.84 = 663,933.46 : x
  2. Step 2: Convert to fraction form
    1,393,785.42/2,090,734.84 = 663,933.46/x
  3. Step 3: Cross multiply
    1,393,785.42x = 2,090,734.84 × 663,933.46
  4. Step 4: Simplify right side
    1,393,785.42x = 1,388,108,816,263.75
  5. Step 5: Solve for x
    x = 1,388,108,816,263.75/1,393,785.42
  6. Step 6: Final answer
    x = 995,927.20

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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.