Home / 1,205,059.59-1,663,012.84-661,195.24

Finding the Fourth Proportional to 1,205,059.59, 1,663,012.84 and 661,195.24

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Solution

The fourth proportional to 1,205,059.59, 1,663,012.84 and 661,195.24 is: 912,466.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,059.59 : 1,663,012.84 = 661,195.24 : x
  2. Step 2: Convert to fraction form
    1,205,059.59/1,663,012.84 = 661,195.24/x
  3. Step 3: Cross multiply
    1,205,059.59x = 1,663,012.84 × 661,195.24
  4. Step 4: Simplify right side
    1,205,059.59x = 1,099,576,173,866.88
  5. Step 5: Solve for x
    x = 1,099,576,173,866.88/1,205,059.59
  6. Step 6: Final answer
    x = 912,466.22

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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.