Home / 1,815,642.48-2,505,719.82-1,299,444.84

Finding the Fourth Proportional to 1,815,642.48, 2,505,719.82 and 1,299,444.84

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Solution

The fourth proportional to 1,815,642.48, 2,505,719.82 and 1,299,444.84 is: 1,793,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,642.48 : 2,505,719.82 = 1,299,444.84 : x
  2. Step 2: Convert to fraction form
    1,815,642.48/2,505,719.82 = 1,299,444.84/x
  3. Step 3: Cross multiply
    1,815,642.48x = 2,505,719.82 × 1,299,444.84
  4. Step 4: Simplify right side
    1,815,642.48x = 3,256,044,690,584.73
  5. Step 5: Solve for x
    x = 3,256,044,690,584.73/1,815,642.48
  6. Step 6: Final answer
    x = 1,793,329.21

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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.