Home / 1,587,119.20-2,190,573.21-1,043,305.21

Finding the Fourth Proportional to 1,587,119.20, 2,190,573.21 and 1,043,305.21

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Solution

The fourth proportional to 1,587,119.20, 2,190,573.21 and 1,043,305.21 is: 1,439,990.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,119.20 : 2,190,573.21 = 1,043,305.21 : x
  2. Step 2: Convert to fraction form
    1,587,119.20/2,190,573.21 = 1,043,305.21/x
  3. Step 3: Cross multiply
    1,587,119.20x = 2,190,573.21 × 1,043,305.21
  4. Step 4: Simplify right side
    1,587,119.20x = 2,285,436,442,879.42
  5. Step 5: Solve for x
    x = 2,285,436,442,879.42/1,587,119.20
  6. Step 6: Final answer
    x = 1,439,990.42

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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.