Home / 2,663,012.91-3,994,548.54-769,770.75

Finding the Fourth Proportional to 2,663,012.91, 3,994,548.54 and 769,770.75

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Solution

The fourth proportional to 2,663,012.91, 3,994,548.54 and 769,770.75 is: 1,154,664.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663,012.91 : 3,994,548.54 = 769,770.75 : x
  2. Step 2: Convert to fraction form
    2,663,012.91/3,994,548.54 = 769,770.75/x
  3. Step 3: Cross multiply
    2,663,012.91x = 3,994,548.54 × 769,770.75
  4. Step 4: Simplify right side
    2,663,012.91x = 3,074,886,625,547.21
  5. Step 5: Solve for x
    x = 3,074,886,625,547.21/2,663,012.91
  6. Step 6: Final answer
    x = 1,154,664.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.