Home / 1,283,743.80-1,926,998.10-723,871.80

Finding the Fourth Proportional to 1,283,743.80, 1,926,998.10 and 723,871.80

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Solution

The fourth proportional to 1,283,743.80, 1,926,998.10 and 723,871.80 is: 1,086,587.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,743.80 : 1,926,998.10 = 723,871.80 : x
  2. Step 2: Convert to fraction form
    1,283,743.80/1,926,998.10 = 723,871.80/x
  3. Step 3: Cross multiply
    1,283,743.80x = 1,926,998.10 × 723,871.80
  4. Step 4: Simplify right side
    1,283,743.80x = 1,394,899,583,243.58
  5. Step 5: Solve for x
    x = 1,394,899,583,243.58/1,283,743.80
  6. Step 6: Final answer
    x = 1,086,587.20

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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.