Home / 1,221,416.65-1,832,250.66-422,696.98

Finding the Fourth Proportional to 1,221,416.65, 1,832,250.66 and 422,696.98

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Solution

The fourth proportional to 1,221,416.65, 1,832,250.66 and 422,696.98 is: 634,088.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,416.65 : 1,832,250.66 = 422,696.98 : x
  2. Step 2: Convert to fraction form
    1,221,416.65/1,832,250.66 = 422,696.98/x
  3. Step 3: Cross multiply
    1,221,416.65x = 1,832,250.66 × 422,696.98
  4. Step 4: Simplify right side
    1,221,416.65x = 774,486,809,310.27
  5. Step 5: Solve for x
    x = 774,486,809,310.27/1,221,416.65
  6. Step 6: Final answer
    x = 634,088.96

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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.