Home / 1,412,720.98-1,949,579.31-768,145.52

Finding the Fourth Proportional to 1,412,720.98, 1,949,579.31 and 768,145.52

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Solution

The fourth proportional to 1,412,720.98, 1,949,579.31 and 768,145.52 is: 1,060,054.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,720.98 : 1,949,579.31 = 768,145.52 : x
  2. Step 2: Convert to fraction form
    1,412,720.98/1,949,579.31 = 768,145.52/x
  3. Step 3: Cross multiply
    1,412,720.98x = 1,949,579.31 × 768,145.52
  4. Step 4: Simplify right side
    1,412,720.98x = 1,497,560,620,615.69
  5. Step 5: Solve for x
    x = 1,497,560,620,615.69/1,412,720.98
  6. Step 6: Final answer
    x = 1,060,054.07

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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.