Home / 1,345,728.74-1,857,100.10-733,879.85

Finding the Fourth Proportional to 1,345,728.74, 1,857,100.10 and 733,879.85

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Solution

The fourth proportional to 1,345,728.74, 1,857,100.10 and 733,879.85 is: 1,012,751.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,728.74 : 1,857,100.10 = 733,879.85 : x
  2. Step 2: Convert to fraction form
    1,345,728.74/1,857,100.10 = 733,879.85/x
  3. Step 3: Cross multiply
    1,345,728.74x = 1,857,100.10 × 733,879.85
  4. Step 4: Simplify right side
    1,345,728.74x = 1,362,888,329,868.09
  5. Step 5: Solve for x
    x = 1,362,888,329,868.09/1,345,728.74
  6. Step 6: Final answer
    x = 1,012,751.15

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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.