Home / 1,161,131.82-1,742,370.66-487,153.50

Finding the Fourth Proportional to 1,161,131.82, 1,742,370.66 and 487,153.50

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Solution

The fourth proportional to 1,161,131.82, 1,742,370.66 and 487,153.50 is: 731,012.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,131.82 : 1,742,370.66 = 487,153.50 : x
  2. Step 2: Convert to fraction form
    1,161,131.82/1,742,370.66 = 487,153.50/x
  3. Step 3: Cross multiply
    1,161,131.82x = 1,742,370.66 × 487,153.50
  4. Step 4: Simplify right side
    1,161,131.82x = 848,801,965,316.31
  5. Step 5: Solve for x
    x = 848,801,965,316.31/1,161,131.82
  6. Step 6: Final answer
    x = 731,012.58

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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.