Home / 1,303,876.76-1,956,147.80-405,326.28

Finding the Fourth Proportional to 1,303,876.76, 1,956,147.80 and 405,326.28

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Solution

The fourth proportional to 1,303,876.76, 1,956,147.80 and 405,326.28 is: 608,092.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,876.76 : 1,956,147.80 = 405,326.28 : x
  2. Step 2: Convert to fraction form
    1,303,876.76/1,956,147.80 = 405,326.28/x
  3. Step 3: Cross multiply
    1,303,876.76x = 1,956,147.80 × 405,326.28
  4. Step 4: Simplify right side
    1,303,876.76x = 792,878,106,349.76
  5. Step 5: Solve for x
    x = 792,878,106,349.76/1,303,876.76
  6. Step 6: Final answer
    x = 608,092.83

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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.