Home / 1,145,689.80-1,581,076.98-629,450.34

Finding the Fourth Proportional to 1,145,689.80, 1,581,076.98 and 629,450.34

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Solution

The fourth proportional to 1,145,689.80, 1,581,076.98 and 629,450.34 is: 868,655.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,689.80 : 1,581,076.98 = 629,450.34 : x
  2. Step 2: Convert to fraction form
    1,145,689.80/1,581,076.98 = 629,450.34/x
  3. Step 3: Cross multiply
    1,145,689.80x = 1,581,076.98 × 629,450.34
  4. Step 4: Simplify right side
    1,145,689.80x = 995,209,442,627.17
  5. Step 5: Solve for x
    x = 995,209,442,627.17/1,145,689.80
  6. Step 6: Final answer
    x = 868,655.24

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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.