Home / 1,638,802.56-2,262,975.53-1,028,005.24

Finding the Fourth Proportional to 1,638,802.56, 2,262,975.53 and 1,028,005.24

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Solution

The fourth proportional to 1,638,802.56, 2,262,975.53 and 1,028,005.24 is: 1,419,542.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,802.56 : 2,262,975.53 = 1,028,005.24 : x
  2. Step 2: Convert to fraction form
    1,638,802.56/2,262,975.53 = 1,028,005.24/x
  3. Step 3: Cross multiply
    1,638,802.56x = 2,262,975.53 × 1,028,005.24
  4. Step 4: Simplify right side
    1,638,802.56x = 2,326,350,687,453.47
  5. Step 5: Solve for x
    x = 2,326,350,687,453.47/1,638,802.56
  6. Step 6: Final answer
    x = 1,419,542.99

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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.