Home / 1,412,355.84-1,949,063.74-767,777.28

Finding the Fourth Proportional to 1,412,355.84, 1,949,063.74 and 767,777.28

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Solution

The fourth proportional to 1,412,355.84, 1,949,063.74 and 767,777.28 is: 1,059,539.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,355.84 : 1,949,063.74 = 767,777.28 : x
  2. Step 2: Convert to fraction form
    1,412,355.84/1,949,063.74 = 767,777.28/x
  3. Step 3: Cross multiply
    1,412,355.84x = 1,949,063.74 × 767,777.28
  4. Step 4: Simplify right side
    1,412,355.84x = 1,496,446,856,843.83
  5. Step 5: Solve for x
    x = 1,496,446,856,843.83/1,412,355.84
  6. Step 6: Final answer
    x = 1,059,539.54

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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.