Home / 1,273,379.50-1,757,513.28-729,879.58

Finding the Fourth Proportional to 1,273,379.50, 1,757,513.28 and 729,879.58

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Solution

The fourth proportional to 1,273,379.50, 1,757,513.28 and 729,879.58 is: 1,007,376.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,379.50 : 1,757,513.28 = 729,879.58 : x
  2. Step 2: Convert to fraction form
    1,273,379.50/1,757,513.28 = 729,879.58/x
  3. Step 3: Cross multiply
    1,273,379.50x = 1,757,513.28 × 729,879.58
  4. Step 4: Simplify right side
    1,273,379.50x = 1,282,773,054,650.82
  5. Step 5: Solve for x
    x = 1,282,773,054,650.82/1,273,379.50
  6. Step 6: Final answer
    x = 1,007,376.87

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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.