Home / 1,326,481.02-1,829,243.28-842,205.42

Finding the Fourth Proportional to 1,326,481.02, 1,829,243.28 and 842,205.42

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Solution

The fourth proportional to 1,326,481.02, 1,829,243.28 and 842,205.42 is: 1,161,417.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,481.02 : 1,829,243.28 = 842,205.42 : x
  2. Step 2: Convert to fraction form
    1,326,481.02/1,829,243.28 = 842,205.42/x
  3. Step 3: Cross multiply
    1,326,481.02x = 1,829,243.28 × 842,205.42
  4. Step 4: Simplify right side
    1,326,481.02x = 1,540,598,604,914.58
  5. Step 5: Solve for x
    x = 1,540,598,604,914.58/1,326,481.02
  6. Step 6: Final answer
    x = 1,161,417.75

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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.