Home / 1,248,137.70-1,873,256.85-1,169,405.70

Finding the Fourth Proportional to 1,248,137.70, 1,873,256.85 and 1,169,405.70

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Solution

The fourth proportional to 1,248,137.70, 1,873,256.85 and 1,169,405.70 is: 1,755,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,137.70 : 1,873,256.85 = 1,169,405.70 : x
  2. Step 2: Convert to fraction form
    1,248,137.70/1,873,256.85 = 1,169,405.70/x
  3. Step 3: Cross multiply
    1,248,137.70x = 1,873,256.85 × 1,169,405.70
  4. Step 4: Simplify right side
    1,248,137.70x = 2,190,597,237,954.05
  5. Step 5: Solve for x
    x = 2,190,597,237,954.05/1,248,137.70
  6. Step 6: Final answer
    x = 1,755,092.60

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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.