Home / 1,888,442.31-2,605,968.92-1,072,643.48

Finding the Fourth Proportional to 1,888,442.31, 2,605,968.92 and 1,072,643.48

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Solution

The fourth proportional to 1,888,442.31, 2,605,968.92 and 1,072,643.48 is: 1,480,201.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,442.31 : 2,605,968.92 = 1,072,643.48 : x
  2. Step 2: Convert to fraction form
    1,888,442.31/2,605,968.92 = 1,072,643.48/x
  3. Step 3: Cross multiply
    1,888,442.31x = 2,605,968.92 × 1,072,643.48
  4. Step 4: Simplify right side
    1,888,442.31x = 2,795,275,552,727.58
  5. Step 5: Solve for x
    x = 2,795,275,552,727.58/1,888,442.31
  6. Step 6: Final answer
    x = 1,480,201.72

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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.