Home / 1,112,457.39-1,667,696.43-402,327.54

Finding the Fourth Proportional to 1,112,457.39, 1,667,696.43 and 402,327.54

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Solution

The fourth proportional to 1,112,457.39, 1,667,696.43 and 402,327.54 is: 603,133.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,457.39 : 1,667,696.43 = 402,327.54 : x
  2. Step 2: Convert to fraction form
    1,112,457.39/1,667,696.43 = 402,327.54/x
  3. Step 3: Cross multiply
    1,112,457.39x = 1,667,696.43 × 402,327.54
  4. Step 4: Simplify right side
    1,112,457.39x = 670,960,202,148.68
  5. Step 5: Solve for x
    x = 670,960,202,148.68/1,112,457.39
  6. Step 6: Final answer
    x = 603,133.39

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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.