Home / 1,043,493.20-1,439,351.50-716,648.48

Finding the Fourth Proportional to 1,043,493.20, 1,439,351.50 and 716,648.48

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Solution

The fourth proportional to 1,043,493.20, 1,439,351.50 and 716,648.48 is: 988,515.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,493.20 : 1,439,351.50 = 716,648.48 : x
  2. Step 2: Convert to fraction form
    1,043,493.20/1,439,351.50 = 716,648.48/x
  3. Step 3: Cross multiply
    1,043,493.20x = 1,439,351.50 × 716,648.48
  4. Step 4: Simplify right side
    1,043,493.20x = 1,031,509,064,660.72
  5. Step 5: Solve for x
    x = 1,031,509,064,660.72/1,043,493.20
  6. Step 6: Final answer
    x = 988,515.37

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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.