Home / 1,686,872.40-2,531,183.40-740,338.80

Finding the Fourth Proportional to 1,686,872.40, 2,531,183.40 and 740,338.80

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Solution

The fourth proportional to 1,686,872.40, 2,531,183.40 and 740,338.80 is: 1,110,892.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,872.40 : 2,531,183.40 = 740,338.80 : x
  2. Step 2: Convert to fraction form
    1,686,872.40/2,531,183.40 = 740,338.80/x
  3. Step 3: Cross multiply
    1,686,872.40x = 2,531,183.40 × 740,338.80
  4. Step 4: Simplify right side
    1,686,872.40x = 1,873,933,280,935.92
  5. Step 5: Solve for x
    x = 1,873,933,280,935.92/1,686,872.40
  6. Step 6: Final answer
    x = 1,110,892.13

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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.