Home / 1,306,699.80-1,960,297.83-453,738.48

Finding the Fourth Proportional to 1,306,699.80, 1,960,297.83 and 453,738.48

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Solution

The fourth proportional to 1,306,699.80, 1,960,297.83 and 453,738.48 is: 680,693.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,699.80 : 1,960,297.83 = 453,738.48 : x
  2. Step 2: Convert to fraction form
    1,306,699.80/1,960,297.83 = 453,738.48/x
  3. Step 3: Cross multiply
    1,306,699.80x = 1,960,297.83 × 453,738.48
  4. Step 4: Simplify right side
    1,306,699.80x = 889,462,557,731.50
  5. Step 5: Solve for x
    x = 889,462,557,731.50/1,306,699.80
  6. Step 6: Final answer
    x = 680,693.88

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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.