Home / 1,099,571.28-1,648,839.30-425,968.02

Finding the Fourth Proportional to 1,099,571.28, 1,648,839.30 and 425,968.02

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Solution

The fourth proportional to 1,099,571.28, 1,648,839.30 and 425,968.02 is: 638,751.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,571.28 : 1,648,839.30 = 425,968.02 : x
  2. Step 2: Convert to fraction form
    1,099,571.28/1,648,839.30 = 425,968.02/x
  3. Step 3: Cross multiply
    1,099,571.28x = 1,648,839.30 × 425,968.02
  4. Step 4: Simplify right side
    1,099,571.28x = 702,352,811,919.19
  5. Step 5: Solve for x
    x = 702,352,811,919.19/1,099,571.28
  6. Step 6: Final answer
    x = 638,751.51

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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.