Home / 1,638,470.31-2,457,616.29-501,232.50

Finding the Fourth Proportional to 1,638,470.31, 2,457,616.29 and 501,232.50

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Solution

The fourth proportional to 1,638,470.31, 2,457,616.29 and 501,232.50 is: 751,821.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,470.31 : 2,457,616.29 = 501,232.50 : x
  2. Step 2: Convert to fraction form
    1,638,470.31/2,457,616.29 = 501,232.50/x
  3. Step 3: Cross multiply
    1,638,470.31x = 2,457,616.29 × 501,232.50
  4. Step 4: Simplify right side
    1,638,470.31x = 1,231,837,155,197.80
  5. Step 5: Solve for x
    x = 1,231,837,155,197.80/1,638,470.31
  6. Step 6: Final answer
    x = 751,821.47

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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.