Home / 1,326,104.73-1,830,243.87-782,373.42

Finding the Fourth Proportional to 1,326,104.73, 1,830,243.87 and 782,373.42

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Solution

The fourth proportional to 1,326,104.73, 1,830,243.87 and 782,373.42 is: 1,079,804.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,104.73 : 1,830,243.87 = 782,373.42 : x
  2. Step 2: Convert to fraction form
    1,326,104.73/1,830,243.87 = 782,373.42/x
  3. Step 3: Cross multiply
    1,326,104.73x = 1,830,243.87 × 782,373.42
  4. Step 4: Simplify right side
    1,326,104.73x = 1,431,934,156,005.94
  5. Step 5: Solve for x
    x = 1,431,934,156,005.94/1,326,104.73
  6. Step 6: Final answer
    x = 1,079,804.73

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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.