Home / 1,166,649.30-1,751,872.50-720,208.08

Finding the Fourth Proportional to 1,166,649.30, 1,751,872.50 and 720,208.08

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Solution

The fourth proportional to 1,166,649.30, 1,751,872.50 and 720,208.08 is: 1,081,484.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,649.30 : 1,751,872.50 = 720,208.08 : x
  2. Step 2: Convert to fraction form
    1,166,649.30/1,751,872.50 = 720,208.08/x
  3. Step 3: Cross multiply
    1,166,649.30x = 1,751,872.50 × 720,208.08
  4. Step 4: Simplify right side
    1,166,649.30x = 1,261,712,729,629.80
  5. Step 5: Solve for x
    x = 1,261,712,729,629.80/1,166,649.30
  6. Step 6: Final answer
    x = 1,081,484.15

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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.