Home / 1,427,928.48-1,970,548.56-783,408.24

Finding the Fourth Proportional to 1,427,928.48, 1,970,548.56 and 783,408.24

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Solution

The fourth proportional to 1,427,928.48, 1,970,548.56 and 783,408.24 is: 1,081,107.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,928.48 : 1,970,548.56 = 783,408.24 : x
  2. Step 2: Convert to fraction form
    1,427,928.48/1,970,548.56 = 783,408.24/x
  3. Step 3: Cross multiply
    1,427,928.48x = 1,970,548.56 × 783,408.24
  4. Step 4: Simplify right side
    1,427,928.48x = 1,543,743,979,224.13
  5. Step 5: Solve for x
    x = 1,543,743,979,224.13/1,427,928.48
  6. Step 6: Final answer
    x = 1,081,107.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.