Home / 1,072,399.92-1,608,821.28-314,266.17

Finding the Fourth Proportional to 1,072,399.92, 1,608,821.28 and 314,266.17

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Solution

The fourth proportional to 1,072,399.92, 1,608,821.28 and 314,266.17 is: 471,464.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,399.92 : 1,608,821.28 = 314,266.17 : x
  2. Step 2: Convert to fraction form
    1,072,399.92/1,608,821.28 = 314,266.17/x
  3. Step 3: Cross multiply
    1,072,399.92x = 1,608,821.28 × 314,266.17
  4. Step 4: Simplify right side
    1,072,399.92x = 505,598,101,880.10
  5. Step 5: Solve for x
    x = 505,598,101,880.10/1,072,399.92
  6. Step 6: Final answer
    x = 471,464.14

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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.