Home / 1,577,045.78-2,365,568.42-378,968.10

Finding the Fourth Proportional to 1,577,045.78, 2,365,568.42 and 378,968.10

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Solution

The fourth proportional to 1,577,045.78, 2,365,568.42 and 378,968.10 is: 568,452.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,045.78 : 2,365,568.42 = 378,968.10 : x
  2. Step 2: Convert to fraction form
    1,577,045.78/2,365,568.42 = 378,968.10/x
  3. Step 3: Cross multiply
    1,577,045.78x = 2,365,568.42 × 378,968.10
  4. Step 4: Simplify right side
    1,577,045.78x = 896,474,967,652.56
  5. Step 5: Solve for x
    x = 896,474,967,652.56/1,577,045.78
  6. Step 6: Final answer
    x = 568,452.09

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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.