Home / 1,099,237.52-1,648,859.98-389,286.30

Finding the Fourth Proportional to 1,099,237.52, 1,648,859.98 and 389,286.30

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Solution

The fourth proportional to 1,099,237.52, 1,648,859.98 and 389,286.30 is: 583,930.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,237.52 : 1,648,859.98 = 389,286.30 : x
  2. Step 2: Convert to fraction form
    1,099,237.52/1,648,859.98 = 389,286.30/x
  3. Step 3: Cross multiply
    1,099,237.52x = 1,648,859.98 × 389,286.30
  4. Step 4: Simplify right side
    1,099,237.52x = 641,878,600,832.27
  5. Step 5: Solve for x
    x = 641,878,600,832.27/1,099,237.52
  6. Step 6: Final answer
    x = 583,930.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.