Home / 1,781,216.40-2,672,148.60-582,805.20

Finding the Fourth Proportional to 1,781,216.40, 2,672,148.60 and 582,805.20

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Solution

The fourth proportional to 1,781,216.40, 2,672,148.60 and 582,805.20 is: 874,313.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,216.40 : 2,672,148.60 = 582,805.20 : x
  2. Step 2: Convert to fraction form
    1,781,216.40/2,672,148.60 = 582,805.20/x
  3. Step 3: Cross multiply
    1,781,216.40x = 2,672,148.60 × 582,805.20
  4. Step 4: Simplify right side
    1,781,216.40x = 1,557,342,099,252.72
  5. Step 5: Solve for x
    x = 1,557,342,099,252.72/1,781,216.40
  6. Step 6: Final answer
    x = 874,313.81

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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.