Home / 1,351,296-1,864,335.60-778,322.88

Finding the Fourth Proportional to 1,351,296, 1,864,335.60 and 778,322.88

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Solution

The fourth proportional to 1,351,296, 1,864,335.60 and 778,322.88 is: 1,073,824.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,296 : 1,864,335.60 = 778,322.88 : x
  2. Step 2: Convert to fraction form
    1,351,296/1,864,335.60 = 778,322.88/x
  3. Step 3: Cross multiply
    1,351,296x = 1,864,335.60 × 778,322.88
  4. Step 4: Simplify right side
    1,351,296x = 1,451,055,053,478.53
  5. Step 5: Solve for x
    x = 1,451,055,053,478.53/1,351,296
  6. Step 6: Final answer
    x = 1,073,824.72

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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.