Home / 1,252,838.87-1,728,918.76-679,879.04

Finding the Fourth Proportional to 1,252,838.87, 1,728,918.76 and 679,879.04

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Solution

The fourth proportional to 1,252,838.87, 1,728,918.76 and 679,879.04 is: 938,233.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,838.87 : 1,728,918.76 = 679,879.04 : x
  2. Step 2: Convert to fraction form
    1,252,838.87/1,728,918.76 = 679,879.04/x
  3. Step 3: Cross multiply
    1,252,838.87x = 1,728,918.76 × 679,879.04
  4. Step 4: Simplify right side
    1,252,838.87x = 1,175,455,616,442.50
  5. Step 5: Solve for x
    x = 1,175,455,616,442.50/1,252,838.87
  6. Step 6: Final answer
    x = 938,233.68

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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.