Home / 1,003,286.40-1,384,480-550,541.44

Finding the Fourth Proportional to 1,003,286.40, 1,384,480 and 550,541.44

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Solution

The fourth proportional to 1,003,286.40, 1,384,480 and 550,541.44 is: 759,716.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,286.40 : 1,384,480 = 550,541.44 : x
  2. Step 2: Convert to fraction form
    1,003,286.40/1,384,480 = 550,541.44/x
  3. Step 3: Cross multiply
    1,003,286.40x = 1,384,480 × 550,541.44
  4. Step 4: Simplify right side
    1,003,286.40x = 762,213,612,851.20
  5. Step 5: Solve for x
    x = 762,213,612,851.20/1,003,286.40
  6. Step 6: Final answer
    x = 759,716.88

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1.5x scale

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.