Home / 1,531,363.02-2,297,028.89-394,120.80

Finding the Fourth Proportional to 1,531,363.02, 2,297,028.89 and 394,120.80

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Solution

The fourth proportional to 1,531,363.02, 2,297,028.89 and 394,120.80 is: 591,177.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,363.02 : 2,297,028.89 = 394,120.80 : x
  2. Step 2: Convert to fraction form
    1,531,363.02/2,297,028.89 = 394,120.80/x
  3. Step 3: Cross multiply
    1,531,363.02x = 2,297,028.89 × 394,120.80
  4. Step 4: Simplify right side
    1,531,363.02x = 905,306,861,779.31
  5. Step 5: Solve for x
    x = 905,306,861,779.31/1,531,363.02
  6. Step 6: Final answer
    x = 591,177.17

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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.