Home / 1,266,153.41-1,747,458.10-722,164.50

Finding the Fourth Proportional to 1,266,153.41, 1,747,458.10 and 722,164.50

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Solution

The fourth proportional to 1,266,153.41, 1,747,458.10 and 722,164.50 is: 996,681.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,153.41 : 1,747,458.10 = 722,164.50 : x
  2. Step 2: Convert to fraction form
    1,266,153.41/1,747,458.10 = 722,164.50/x
  3. Step 3: Cross multiply
    1,266,153.41x = 1,747,458.10 × 722,164.50
  4. Step 4: Simplify right side
    1,266,153.41x = 1,261,952,194,514.75
  5. Step 5: Solve for x
    x = 1,261,952,194,514.75/1,266,153.41
  6. Step 6: Final answer
    x = 996,681.91

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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.