Home / 1,425,610.02-2,132,505.24-1,086,081.78

Finding the Fourth Proportional to 1,425,610.02, 2,132,505.24 and 1,086,081.78

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Solution

The fourth proportional to 1,425,610.02, 2,132,505.24 and 1,086,081.78 is: 1,624,620.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,610.02 : 2,132,505.24 = 1,086,081.78 : x
  2. Step 2: Convert to fraction form
    1,425,610.02/2,132,505.24 = 1,086,081.78/x
  3. Step 3: Cross multiply
    1,425,610.02x = 2,132,505.24 × 1,086,081.78
  4. Step 4: Simplify right side
    1,425,610.02x = 2,316,075,086,918.53
  5. Step 5: Solve for x
    x = 2,316,075,086,918.53/1,425,610.02
  6. Step 6: Final answer
    x = 1,624,620.38

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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.