Home / 991,576.57-1,367,989.33-734,069.87

Finding the Fourth Proportional to 991,576.57, 1,367,989.33 and 734,069.87

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Solution

The fourth proportional to 991,576.57, 1,367,989.33 and 734,069.87 is: 1,012,730.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,576.57 : 1,367,989.33 = 734,069.87 : x
  2. Step 2: Convert to fraction form
    991,576.57/1,367,989.33 = 734,069.87/x
  3. Step 3: Cross multiply
    991,576.57x = 1,367,989.33 × 734,069.87
  4. Step 4: Simplify right side
    991,576.57x = 1,004,199,749,634.49
  5. Step 5: Solve for x
    x = 1,004,199,749,634.49/991,576.57
  6. Step 6: Final answer
    x = 1,012,730.41

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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.