Home / 1,213,447.70-1,820,171.55-741,055.70

Finding the Fourth Proportional to 1,213,447.70, 1,820,171.55 and 741,055.70

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Solution

The fourth proportional to 1,213,447.70, 1,820,171.55 and 741,055.70 is: 1,111,583.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,447.70 : 1,820,171.55 = 741,055.70 : x
  2. Step 2: Convert to fraction form
    1,213,447.70/1,820,171.55 = 741,055.70/x
  3. Step 3: Cross multiply
    1,213,447.70x = 1,820,171.55 × 741,055.70
  4. Step 4: Simplify right side
    1,213,447.70x = 1,348,848,502,105.34
  5. Step 5: Solve for x
    x = 1,348,848,502,105.34/1,213,447.70
  6. Step 6: Final answer
    x = 1,111,583.55

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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.