Home / 1,072,505.70-1,608,974.55-314,345.70

Finding the Fourth Proportional to 1,072,505.70, 1,608,974.55 and 314,345.70

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Solution

The fourth proportional to 1,072,505.70, 1,608,974.55 and 314,345.70 is: 471,581.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,505.70 : 1,608,974.55 = 314,345.70 : x
  2. Step 2: Convert to fraction form
    1,072,505.70/1,608,974.55 = 314,345.70/x
  3. Step 3: Cross multiply
    1,072,505.70x = 1,608,974.55 × 314,345.70
  4. Step 4: Simplify right side
    1,072,505.70x = 505,774,231,201.94
  5. Step 5: Solve for x
    x = 505,774,231,201.94/1,072,505.70
  6. Step 6: Final answer
    x = 471,581.86

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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.