Home / 1,240,721.10-1,857,145.05-1,240,721.10

Finding the Fourth Proportional to 1,240,721.10, 1,857,145.05 and 1,240,721.10

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Solution

The fourth proportional to 1,240,721.10, 1,857,145.05 and 1,240,721.10 is: 1,857,145.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,721.10 : 1,857,145.05 = 1,240,721.10 : x
  2. Step 2: Convert to fraction form
    1,240,721.10/1,857,145.05 = 1,240,721.10/x
  3. Step 3: Cross multiply
    1,240,721.10x = 1,857,145.05 × 1,240,721.10
  4. Step 4: Simplify right side
    1,240,721.10x = 2,304,199,049,295.56
  5. Step 5: Solve for x
    x = 2,304,199,049,295.56/1,240,721.10
  6. Step 6: Final answer
    x = 1,857,145.05

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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.