Home / 892,004.36-1,231,987.73-587,442.06

Finding the Fourth Proportional to 892,004.36, 1,231,987.73 and 587,442.06

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Solution

The fourth proportional to 892,004.36, 1,231,987.73 and 587,442.06 is: 811,342.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,004.36 : 1,231,987.73 = 587,442.06 : x
  2. Step 2: Convert to fraction form
    892,004.36/1,231,987.73 = 587,442.06/x
  3. Step 3: Cross multiply
    892,004.36x = 1,231,987.73 × 587,442.06
  4. Step 4: Simplify right side
    892,004.36x = 723,721,407,068.71
  5. Step 5: Solve for x
    x = 723,721,407,068.71/892,004.36
  6. Step 6: Final answer
    x = 811,342.91

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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.