Home / 1,096,431.80-1,643,610.90-647,497.40

Finding the Fourth Proportional to 1,096,431.80, 1,643,610.90 and 647,497.40

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Solution

The fourth proportional to 1,096,431.80, 1,643,610.90 and 647,497.40 is: 970,633.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,431.80 : 1,643,610.90 = 647,497.40 : x
  2. Step 2: Convert to fraction form
    1,096,431.80/1,643,610.90 = 647,497.40/x
  3. Step 3: Cross multiply
    1,096,431.80x = 1,643,610.90 × 647,497.40
  4. Step 4: Simplify right side
    1,096,431.80x = 1,064,233,784,361.66
  5. Step 5: Solve for x
    x = 1,064,233,784,361.66/1,096,431.80
  6. Step 6: Final answer
    x = 970,633.82

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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.