Home / 1,692,342.67-2,335,419.06-917,971.57

Finding the Fourth Proportional to 1,692,342.67, 2,335,419.06 and 917,971.57

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Solution

The fourth proportional to 1,692,342.67, 2,335,419.06 and 917,971.57 is: 1,266,793.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,342.67 : 2,335,419.06 = 917,971.57 : x
  2. Step 2: Convert to fraction form
    1,692,342.67/2,335,419.06 = 917,971.57/x
  3. Step 3: Cross multiply
    1,692,342.67x = 2,335,419.06 × 917,971.57
  4. Step 4: Simplify right side
    1,692,342.67x = 2,143,848,305,756.60
  5. Step 5: Solve for x
    x = 2,143,848,305,756.60/1,692,342.67
  6. Step 6: Final answer
    x = 1,266,793.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.