Home / 1,347,774.05-2,022,142.41-578,948.78

Finding the Fourth Proportional to 1,347,774.05, 2,022,142.41 and 578,948.78

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Solution

The fourth proportional to 1,347,774.05, 2,022,142.41 and 578,948.78 is: 868,629.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,774.05 : 2,022,142.41 = 578,948.78 : x
  2. Step 2: Convert to fraction form
    1,347,774.05/2,022,142.41 = 578,948.78/x
  3. Step 3: Cross multiply
    1,347,774.05x = 2,022,142.41 × 578,948.78
  4. Step 4: Simplify right side
    1,347,774.05x = 1,170,716,871,145.05
  5. Step 5: Solve for x
    x = 1,170,716,871,145.05/1,347,774.05
  6. Step 6: Final answer
    x = 868,629.93

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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.