Home / 1,782,331.20-2,458,970.82-1,170,813.24

Finding the Fourth Proportional to 1,782,331.20, 2,458,970.82 and 1,170,813.24

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Solution

The fourth proportional to 1,782,331.20, 2,458,970.82 and 1,170,813.24 is: 1,615,297.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,331.20 : 2,458,970.82 = 1,170,813.24 : x
  2. Step 2: Convert to fraction form
    1,782,331.20/2,458,970.82 = 1,170,813.24/x
  3. Step 3: Cross multiply
    1,782,331.20x = 2,458,970.82 × 1,170,813.24
  4. Step 4: Simplify right side
    1,782,331.20x = 2,878,995,592,829.66
  5. Step 5: Solve for x
    x = 2,878,995,592,829.66/1,782,331.20
  6. Step 6: Final answer
    x = 1,615,297.76

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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.