Home / 1,145,641.11-1,580,985.33-629,428.27

Finding the Fourth Proportional to 1,145,641.11, 1,580,985.33 and 629,428.27

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Solution

The fourth proportional to 1,145,641.11, 1,580,985.33 and 629,428.27 is: 868,611.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,641.11 : 1,580,985.33 = 629,428.27 : x
  2. Step 2: Convert to fraction form
    1,145,641.11/1,580,985.33 = 629,428.27/x
  3. Step 3: Cross multiply
    1,145,641.11x = 1,580,985.33 × 629,428.27
  4. Step 4: Simplify right side
    1,145,641.11x = 995,116,861,157.28
  5. Step 5: Solve for x
    x = 995,116,861,157.28/1,145,641.11
  6. Step 6: Final answer
    x = 868,611.34

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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.