Home / 1,329,316.20-1,993,974.30-904,163.40

Finding the Fourth Proportional to 1,329,316.20, 1,993,974.30 and 904,163.40

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Solution

The fourth proportional to 1,329,316.20, 1,993,974.30 and 904,163.40 is: 1,356,245.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,316.20 : 1,993,974.30 = 904,163.40 : x
  2. Step 2: Convert to fraction form
    1,329,316.20/1,993,974.30 = 904,163.40/x
  3. Step 3: Cross multiply
    1,329,316.20x = 1,993,974.30 × 904,163.40
  4. Step 4: Simplify right side
    1,329,316.20x = 1,802,878,582,600.62
  5. Step 5: Solve for x
    x = 1,802,878,582,600.62/1,329,316.20
  6. Step 6: Final answer
    x = 1,356,245.10

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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.