Home / 1,339,311.93-1,848,265.44-788,149.49

Finding the Fourth Proportional to 1,339,311.93, 1,848,265.44 and 788,149.49

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Solution

The fourth proportional to 1,339,311.93, 1,848,265.44 and 788,149.49 is: 1,087,655.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,311.93 : 1,848,265.44 = 788,149.49 : x
  2. Step 2: Convert to fraction form
    1,339,311.93/1,848,265.44 = 788,149.49/x
  3. Step 3: Cross multiply
    1,339,311.93x = 1,848,265.44 × 788,149.49
  4. Step 4: Simplify right side
    1,339,311.93x = 1,456,709,468,541.29
  5. Step 5: Solve for x
    x = 1,456,709,468,541.29/1,339,311.93
  6. Step 6: Final answer
    x = 1,087,655.11

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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.