Home / 1,012,879.32-1,397,762.13-554,007.07

Finding the Fourth Proportional to 1,012,879.32, 1,397,762.13 and 554,007.07

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Solution

The fourth proportional to 1,012,879.32, 1,397,762.13 and 554,007.07 is: 764,523.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,879.32 : 1,397,762.13 = 554,007.07 : x
  2. Step 2: Convert to fraction form
    1,012,879.32/1,397,762.13 = 554,007.07/x
  3. Step 3: Cross multiply
    1,012,879.32x = 1,397,762.13 × 554,007.07
  4. Step 4: Simplify right side
    1,012,879.32x = 774,370,102,198.26
  5. Step 5: Solve for x
    x = 774,370,102,198.26/1,012,879.32
  6. Step 6: Final answer
    x = 764,523.56

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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.