Home / 1,380,980.54-2,072,564.31-582,813.02

Finding the Fourth Proportional to 1,380,980.54, 2,072,564.31 and 582,813.02

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Solution

The fourth proportional to 1,380,980.54, 2,072,564.31 and 582,813.02 is: 874,681.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,980.54 : 2,072,564.31 = 582,813.02 : x
  2. Step 2: Convert to fraction form
    1,380,980.54/2,072,564.31 = 582,813.02/x
  3. Step 3: Cross multiply
    1,380,980.54x = 2,072,564.31 × 582,813.02
  4. Step 4: Simplify right side
    1,380,980.54x = 1,207,917,472,022.28
  5. Step 5: Solve for x
    x = 1,207,917,472,022.28/1,380,980.54
  6. Step 6: Final answer
    x = 874,681.02

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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.