Home / 1,156,310.88-1,735,149.75-644,403.43

Finding the Fourth Proportional to 1,156,310.88, 1,735,149.75 and 644,403.43

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Solution

The fourth proportional to 1,156,310.88, 1,735,149.75 and 644,403.43 is: 966,986.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,310.88 : 1,735,149.75 = 644,403.43 : x
  2. Step 2: Convert to fraction form
    1,156,310.88/1,735,149.75 = 644,403.43/x
  3. Step 3: Cross multiply
    1,156,310.88x = 1,735,149.75 × 644,403.43
  4. Step 4: Simplify right side
    1,156,310.88x = 1,118,136,450,463.64
  5. Step 5: Solve for x
    x = 1,118,136,450,463.64/1,156,310.88
  6. Step 6: Final answer
    x = 966,986.02

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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.