Home / 1,096,784.80-1,644,140.40-647,850.40

Finding the Fourth Proportional to 1,096,784.80, 1,644,140.40 and 647,850.40

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Solution

The fourth proportional to 1,096,784.80, 1,644,140.40 and 647,850.40 is: 971,163.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,784.80 : 1,644,140.40 = 647,850.40 : x
  2. Step 2: Convert to fraction form
    1,096,784.80/1,644,140.40 = 647,850.40/x
  3. Step 3: Cross multiply
    1,096,784.80x = 1,644,140.40 × 647,850.40
  4. Step 4: Simplify right side
    1,096,784.80x = 1,065,157,015,796.16
  5. Step 5: Solve for x
    x = 1,065,157,015,796.16/1,096,784.80
  6. Step 6: Final answer
    x = 971,163.18

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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.