Home / 1,338,490.92-1,846,590.66-765,223.08

Finding the Fourth Proportional to 1,338,490.92, 1,846,590.66 and 765,223.08

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Solution

The fourth proportional to 1,338,490.92, 1,846,590.66 and 765,223.08 is: 1,055,706.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,490.92 : 1,846,590.66 = 765,223.08 : x
  2. Step 2: Convert to fraction form
    1,338,490.92/1,846,590.66 = 765,223.08/x
  3. Step 3: Cross multiply
    1,338,490.92x = 1,846,590.66 × 765,223.08
  4. Step 4: Simplify right side
    1,338,490.92x = 1,413,053,792,344.43
  5. Step 5: Solve for x
    x = 1,413,053,792,344.43/1,338,490.92
  6. Step 6: Final answer
    x = 1,055,706.67

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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.