Home / 1,774,163.70-2,661,245.28-426,326.31

Finding the Fourth Proportional to 1,774,163.70, 2,661,245.28 and 426,326.31

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Solution

The fourth proportional to 1,774,163.70, 2,661,245.28 and 426,326.31 is: 639,489.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,163.70 : 2,661,245.28 = 426,326.31 : x
  2. Step 2: Convert to fraction form
    1,774,163.70/2,661,245.28 = 426,326.31/x
  3. Step 3: Cross multiply
    1,774,163.70x = 2,661,245.28 × 426,326.31
  4. Step 4: Simplify right side
    1,774,163.70x = 1,134,558,879,291.73
  5. Step 5: Solve for x
    x = 1,134,558,879,291.73/1,774,163.70
  6. Step 6: Final answer
    x = 639,489.40

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Double scale
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Similar ratio
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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.