Home / 1,228,299.80-1,695,179.85-738,427.89

Finding the Fourth Proportional to 1,228,299.80, 1,695,179.85 and 738,427.89

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Solution

The fourth proportional to 1,228,299.80, 1,695,179.85 and 738,427.89 is: 1,019,106.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,299.80 : 1,695,179.85 = 738,427.89 : x
  2. Step 2: Convert to fraction form
    1,228,299.80/1,695,179.85 = 738,427.89/x
  3. Step 3: Cross multiply
    1,228,299.80x = 1,695,179.85 × 738,427.89
  4. Step 4: Simplify right side
    1,228,299.80x = 1,251,768,083,393.84
  5. Step 5: Solve for x
    x = 1,251,768,083,393.84/1,228,299.80
  6. Step 6: Final answer
    x = 1,019,106.32

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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.