Home / 1,458,719.91-2,187,606.71-485,825.27

Finding the Fourth Proportional to 1,458,719.91, 2,187,606.71 and 485,825.27

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Solution

The fourth proportional to 1,458,719.91, 2,187,606.71 and 485,825.27 is: 728,580.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,719.91 : 2,187,606.71 = 485,825.27 : x
  2. Step 2: Convert to fraction form
    1,458,719.91/2,187,606.71 = 485,825.27/x
  3. Step 3: Cross multiply
    1,458,719.91x = 2,187,606.71 × 485,825.27
  4. Step 4: Simplify right side
    1,458,719.91x = 1,062,794,607,172.40
  5. Step 5: Solve for x
    x = 1,062,794,607,172.40/1,458,719.91
  6. Step 6: Final answer
    x = 728,580.31

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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.