Home / 821,504.59-1,139,476.19-799,656.46

Finding the Fourth Proportional to 821,504.59, 1,139,476.19 and 799,656.46

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Solution

The fourth proportional to 821,504.59, 1,139,476.19 and 799,656.46 is: 1,109,171.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,504.59 : 1,139,476.19 = 799,656.46 : x
  2. Step 2: Convert to fraction form
    821,504.59/1,139,476.19 = 799,656.46/x
  3. Step 3: Cross multiply
    821,504.59x = 1,139,476.19 × 799,656.46
  4. Step 4: Simplify right side
    821,504.59x = 911,189,496,349.69
  5. Step 5: Solve for x
    x = 911,189,496,349.69/821,504.59
  6. Step 6: Final answer
    x = 1,109,171.52

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.