Home / 1,500,154.36-2,070,249.46-855,634.52

Finding the Fourth Proportional to 1,500,154.36, 2,070,249.46 and 855,634.52

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Solution

The fourth proportional to 1,500,154.36, 2,070,249.46 and 855,634.52 is: 1,180,796.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,154.36 : 2,070,249.46 = 855,634.52 : x
  2. Step 2: Convert to fraction form
    1,500,154.36/2,070,249.46 = 855,634.52/x
  3. Step 3: Cross multiply
    1,500,154.36x = 2,070,249.46 × 855,634.52
  4. Step 4: Simplify right side
    1,500,154.36x = 1,771,376,902,987.36
  5. Step 5: Solve for x
    x = 1,771,376,902,987.36/1,500,154.36
  6. Step 6: Final answer
    x = 1,180,796.42

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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.