Home / 1,334,431.31-1,841,506.85-722,571.13

Finding the Fourth Proportional to 1,334,431.31, 1,841,506.85 and 722,571.13

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Solution

The fourth proportional to 1,334,431.31, 1,841,506.85 and 722,571.13 is: 997,143.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,431.31 : 1,841,506.85 = 722,571.13 : x
  2. Step 2: Convert to fraction form
    1,334,431.31/1,841,506.85 = 722,571.13/x
  3. Step 3: Cross multiply
    1,334,431.31x = 1,841,506.85 × 722,571.13
  4. Step 4: Simplify right side
    1,334,431.31x = 1,330,619,689,615.55
  5. Step 5: Solve for x
    x = 1,330,619,689,615.55/1,334,431.31
  6. Step 6: Final answer
    x = 997,143.64

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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.