Home / 1,557,760.20-2,332,703.70-1,242,832.20

Finding the Fourth Proportional to 1,557,760.20, 2,332,703.70 and 1,242,832.20

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Solution

The fourth proportional to 1,557,760.20, 2,332,703.70 and 1,242,832.20 is: 1,861,107.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,760.20 : 2,332,703.70 = 1,242,832.20 : x
  2. Step 2: Convert to fraction form
    1,557,760.20/2,332,703.70 = 1,242,832.20/x
  3. Step 3: Cross multiply
    1,557,760.20x = 2,332,703.70 × 1,242,832.20
  4. Step 4: Simplify right side
    1,557,760.20x = 2,899,159,271,419.14
  5. Step 5: Solve for x
    x = 2,899,159,271,419.14/1,557,760.20
  6. Step 6: Final answer
    x = 1,861,107.55

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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.