Home / 1,368,392.64-1,888,377.10-764,780.64

Finding the Fourth Proportional to 1,368,392.64, 1,888,377.10 and 764,780.64

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Solution

The fourth proportional to 1,368,392.64, 1,888,377.10 and 764,780.64 is: 1,055,394.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,392.64 : 1,888,377.10 = 764,780.64 : x
  2. Step 2: Convert to fraction form
    1,368,392.64/1,888,377.10 = 764,780.64/x
  3. Step 3: Cross multiply
    1,368,392.64x = 1,888,377.10 × 764,780.64
  4. Step 4: Simplify right side
    1,368,392.64x = 1,444,194,247,099.34
  5. Step 5: Solve for x
    x = 1,444,194,247,099.34/1,368,392.64
  6. Step 6: Final answer
    x = 1,055,394.63

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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.