Home / 1,326,610.94-1,989,916.41-329,338.94

Finding the Fourth Proportional to 1,326,610.94, 1,989,916.41 and 329,338.94

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Solution

The fourth proportional to 1,326,610.94, 1,989,916.41 and 329,338.94 is: 494,008.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,610.94 : 1,989,916.41 = 329,338.94 : x
  2. Step 2: Convert to fraction form
    1,326,610.94/1,989,916.41 = 329,338.94/x
  3. Step 3: Cross multiply
    1,326,610.94x = 1,989,916.41 × 329,338.94
  4. Step 4: Simplify right side
    1,326,610.94x = 655,356,961,158.01
  5. Step 5: Solve for x
    x = 655,356,961,158.01/1,326,610.94
  6. Step 6: Final answer
    x = 494,008.41

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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.