Home / 1,266,849.96-1,748,281.37-722,974.92

Finding the Fourth Proportional to 1,266,849.96, 1,748,281.37 and 722,974.92

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Solution

The fourth proportional to 1,266,849.96, 1,748,281.37 and 722,974.92 is: 997,721.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,849.96 : 1,748,281.37 = 722,974.92 : x
  2. Step 2: Convert to fraction form
    1,266,849.96/1,748,281.37 = 722,974.92/x
  3. Step 3: Cross multiply
    1,266,849.96x = 1,748,281.37 × 722,974.92
  4. Step 4: Simplify right side
    1,266,849.96x = 1,263,963,579,998.37
  5. Step 5: Solve for x
    x = 1,263,963,579,998.37/1,266,849.96
  6. Step 6: Final answer
    x = 997,721.61

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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.