Home / 1,427,313.98-1,969,511.82-815,506.37

Finding the Fourth Proportional to 1,427,313.98, 1,969,511.82 and 815,506.37

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Solution

The fourth proportional to 1,427,313.98, 1,969,511.82 and 815,506.37 is: 1,125,295.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,313.98 : 1,969,511.82 = 815,506.37 : x
  2. Step 2: Convert to fraction form
    1,427,313.98/1,969,511.82 = 815,506.37/x
  3. Step 3: Cross multiply
    1,427,313.98x = 1,969,511.82 × 815,506.37
  4. Step 4: Simplify right side
    1,427,313.98x = 1,606,149,435,000.29
  5. Step 5: Solve for x
    x = 1,606,149,435,000.29/1,427,313.98
  6. Step 6: Final answer
    x = 1,125,295.11

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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.