Home / 1,159,137.20-1,737,478.64-389,902.61

Finding the Fourth Proportional to 1,159,137.20, 1,737,478.64 and 389,902.61

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Solution

The fourth proportional to 1,159,137.20, 1,737,478.64 and 389,902.61 is: 584,441.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,137.20 : 1,737,478.64 = 389,902.61 : x
  2. Step 2: Convert to fraction form
    1,159,137.20/1,737,478.64 = 389,902.61/x
  3. Step 3: Cross multiply
    1,159,137.20x = 1,737,478.64 × 389,902.61
  4. Step 4: Simplify right side
    1,159,137.20x = 677,447,447,867.86
  5. Step 5: Solve for x
    x = 677,447,447,867.86/1,159,137.20
  6. Step 6: Final answer
    x = 584,441.13

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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.