Home / 1,249,873.02-1,874,906.73-408,509.82

Finding the Fourth Proportional to 1,249,873.02, 1,874,906.73 and 408,509.82

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Solution

The fourth proportional to 1,249,873.02, 1,874,906.73 and 408,509.82 is: 612,796.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,873.02 : 1,874,906.73 = 408,509.82 : x
  2. Step 2: Convert to fraction form
    1,249,873.02/1,874,906.73 = 408,509.82/x
  3. Step 3: Cross multiply
    1,249,873.02x = 1,874,906.73 × 408,509.82
  4. Step 4: Simplify right side
    1,249,873.02x = 765,917,810,789.09
  5. Step 5: Solve for x
    x = 765,917,810,789.09/1,249,873.02
  6. Step 6: Final answer
    x = 612,796.50

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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.