Home / 1,328,604.30-1,992,906.45-487,046.70

Finding the Fourth Proportional to 1,328,604.30, 1,992,906.45 and 487,046.70

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Solution

The fourth proportional to 1,328,604.30, 1,992,906.45 and 487,046.70 is: 730,570.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,604.30 : 1,992,906.45 = 487,046.70 : x
  2. Step 2: Convert to fraction form
    1,328,604.30/1,992,906.45 = 487,046.70/x
  3. Step 3: Cross multiply
    1,328,604.30x = 1,992,906.45 × 487,046.70
  4. Step 4: Simplify right side
    1,328,604.30x = 970,638,509,881.22
  5. Step 5: Solve for x
    x = 970,638,509,881.22/1,328,604.30
  6. Step 6: Final answer
    x = 730,570.05

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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.