Home / 1,600,155.09-2,208,208.45-902,380.44

Finding the Fourth Proportional to 1,600,155.09, 2,208,208.45 and 902,380.44

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Solution

The fourth proportional to 1,600,155.09, 2,208,208.45 and 902,380.44 is: 1,245,281.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,155.09 : 2,208,208.45 = 902,380.44 : x
  2. Step 2: Convert to fraction form
    1,600,155.09/2,208,208.45 = 902,380.44/x
  3. Step 3: Cross multiply
    1,600,155.09x = 2,208,208.45 × 902,380.44
  4. Step 4: Simplify right side
    1,600,155.09x = 1,992,644,112,722.72
  5. Step 5: Solve for x
    x = 1,992,644,112,722.72/1,600,155.09
  6. Step 6: Final answer
    x = 1,245,281.86

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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.