Home / 1,043,494.20-1,439,352.90-716,649.48

Finding the Fourth Proportional to 1,043,494.20, 1,439,352.90 and 716,649.48

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Solution

The fourth proportional to 1,043,494.20, 1,439,352.90 and 716,649.48 is: 988,516.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,494.20 : 1,439,352.90 = 716,649.48 : x
  2. Step 2: Convert to fraction form
    1,043,494.20/1,439,352.90 = 716,649.48/x
  3. Step 3: Cross multiply
    1,043,494.20x = 1,439,352.90 × 716,649.48
  4. Step 4: Simplify right side
    1,043,494.20x = 1,031,511,507,321.49
  5. Step 5: Solve for x
    x = 1,031,511,507,321.49/1,043,494.20
  6. Step 6: Final answer
    x = 988,516.76

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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.