Home / 1,575,662.28-2,175,419.57-1,285,965.89

Finding the Fourth Proportional to 1,575,662.28, 2,175,419.57 and 1,285,965.89

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Solution

The fourth proportional to 1,575,662.28, 2,175,419.57 and 1,285,965.89 is: 1,775,453.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,662.28 : 2,175,419.57 = 1,285,965.89 : x
  2. Step 2: Convert to fraction form
    1,575,662.28/2,175,419.57 = 1,285,965.89/x
  3. Step 3: Cross multiply
    1,575,662.28x = 2,175,419.57 × 1,285,965.89
  4. Step 4: Simplify right side
    1,575,662.28x = 2,797,515,363,458.47
  5. Step 5: Solve for x
    x = 2,797,515,363,458.47/1,575,662.28
  6. Step 6: Final answer
    x = 1,775,453.66

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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.