Home / 1,326,642.60-1,830,815.82-753,780.36

Finding the Fourth Proportional to 1,326,642.60, 1,830,815.82 and 753,780.36

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Solution

The fourth proportional to 1,326,642.60, 1,830,815.82 and 753,780.36 is: 1,040,244.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,642.60 : 1,830,815.82 = 753,780.36 : x
  2. Step 2: Convert to fraction form
    1,326,642.60/1,830,815.82 = 753,780.36/x
  3. Step 3: Cross multiply
    1,326,642.60x = 1,830,815.82 × 753,780.36
  4. Step 4: Simplify right side
    1,326,642.60x = 1,380,033,007,893.30
  5. Step 5: Solve for x
    x = 1,380,033,007,893.30/1,326,642.60
  6. Step 6: Final answer
    x = 1,040,244.76

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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.