Home / 1,370,900.52-1,891,842.48-767,288.52

Finding the Fourth Proportional to 1,370,900.52, 1,891,842.48 and 767,288.52

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Solution

The fourth proportional to 1,370,900.52, 1,891,842.48 and 767,288.52 is: 1,058,858.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,900.52 : 1,891,842.48 = 767,288.52 : x
  2. Step 2: Convert to fraction form
    1,370,900.52/1,891,842.48 = 767,288.52/x
  3. Step 3: Cross multiply
    1,370,900.52x = 1,891,842.48 × 767,288.52
  4. Step 4: Simplify right side
    1,370,900.52x = 1,451,589,016,552.33
  5. Step 5: Solve for x
    x = 1,451,589,016,552.33/1,370,900.52
  6. Step 6: Final answer
    x = 1,058,858.02

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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.