Home / 1,347,775.05-2,022,143.91-578,949.78

Finding the Fourth Proportional to 1,347,775.05, 2,022,143.91 and 578,949.78

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Solution

The fourth proportional to 1,347,775.05, 2,022,143.91 and 578,949.78 is: 868,631.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,775.05 : 2,022,143.91 = 578,949.78 : x
  2. Step 2: Convert to fraction form
    1,347,775.05/2,022,143.91 = 578,949.78/x
  3. Step 3: Cross multiply
    1,347,775.05x = 2,022,143.91 × 578,949.78
  4. Step 4: Simplify right side
    1,347,775.05x = 1,170,719,771,822.84
  5. Step 5: Solve for x
    x = 1,170,719,771,822.84/1,347,775.05
  6. Step 6: Final answer
    x = 868,631.43

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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.