Home / 938,047.20-1,404,997.20-726,021.60

Finding the Fourth Proportional to 938,047.20, 1,404,997.20 and 726,021.60

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Solution

The fourth proportional to 938,047.20, 1,404,997.20 and 726,021.60 is: 1,087,427.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,047.20 : 1,404,997.20 = 726,021.60 : x
  2. Step 2: Convert to fraction form
    938,047.20/1,404,997.20 = 726,021.60/x
  3. Step 3: Cross multiply
    938,047.20x = 1,404,997.20 × 726,021.60
  4. Step 4: Simplify right side
    938,047.20x = 1,020,058,315,139.52
  5. Step 5: Solve for x
    x = 1,020,058,315,139.52/938,047.20
  6. Step 6: Final answer
    x = 1,087,427.49

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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.