Home / 1,266,186-1,747,503.18-722,196.90

Finding the Fourth Proportional to 1,266,186, 1,747,503.18 and 722,196.90

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Solution

The fourth proportional to 1,266,186, 1,747,503.18 and 722,196.90 is: 996,726.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,186 : 1,747,503.18 = 722,196.90 : x
  2. Step 2: Convert to fraction form
    1,266,186/1,747,503.18 = 722,196.90/x
  3. Step 3: Cross multiply
    1,266,186x = 1,747,503.18 × 722,196.90
  4. Step 4: Simplify right side
    1,266,186x = 1,262,041,379,336.14
  5. Step 5: Solve for x
    x = 1,262,041,379,336.14/1,266,186
  6. Step 6: Final answer
    x = 996,726.69

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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.