Home / 1,167,905.80-1,749,093.90-720,008.20

Finding the Fourth Proportional to 1,167,905.80, 1,749,093.90 and 720,008.20

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Solution

The fourth proportional to 1,167,905.80, 1,749,093.90 and 720,008.20 is: 1,078,307.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,905.80 : 1,749,093.90 = 720,008.20 : x
  2. Step 2: Convert to fraction form
    1,167,905.80/1,749,093.90 = 720,008.20/x
  3. Step 3: Cross multiply
    1,167,905.80x = 1,749,093.90 × 720,008.20
  4. Step 4: Simplify right side
    1,167,905.80x = 1,259,361,950,569.98
  5. Step 5: Solve for x
    x = 1,259,361,950,569.98/1,167,905.80
  6. Step 6: Final answer
    x = 1,078,307.81

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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.