Home / 1,638,968.76-2,458,365.24-501,731.40

Finding the Fourth Proportional to 1,638,968.76, 2,458,365.24 and 501,731.40

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Solution

The fourth proportional to 1,638,968.76, 2,458,365.24 and 501,731.40 is: 752,570.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,968.76 : 2,458,365.24 = 501,731.40 : x
  2. Step 2: Convert to fraction form
    1,638,968.76/2,458,365.24 = 501,731.40/x
  3. Step 3: Cross multiply
    1,638,968.76x = 2,458,365.24 × 501,731.40
  4. Step 4: Simplify right side
    1,638,968.76x = 1,233,439,033,576.54
  5. Step 5: Solve for x
    x = 1,233,439,033,576.54/1,638,968.76
  6. Step 6: Final answer
    x = 752,570.19

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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.