Home / 1,815,061.74-2,504,739.42-999,257.28

Finding the Fourth Proportional to 1,815,061.74, 2,504,739.42 and 999,257.28

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Solution

The fourth proportional to 1,815,061.74, 2,504,739.42 and 999,257.28 is: 1,378,949.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,061.74 : 2,504,739.42 = 999,257.28 : x
  2. Step 2: Convert to fraction form
    1,815,061.74/2,504,739.42 = 999,257.28/x
  3. Step 3: Cross multiply
    1,815,061.74x = 2,504,739.42 × 999,257.28
  4. Step 4: Simplify right side
    1,815,061.74x = 2,502,879,099,937.98
  5. Step 5: Solve for x
    x = 2,502,879,099,937.98/1,815,061.74
  6. Step 6: Final answer
    x = 1,378,949.84

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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.