Home / 1,145,695-1,581,059.94-629,482.18

Finding the Fourth Proportional to 1,145,695, 1,581,059.94 and 629,482.18

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Solution

The fourth proportional to 1,145,695, 1,581,059.94 and 629,482.18 is: 868,685.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,695 : 1,581,059.94 = 629,482.18 : x
  2. Step 2: Convert to fraction form
    1,145,695/1,581,059.94 = 629,482.18/x
  3. Step 3: Cross multiply
    1,145,695x = 1,581,059.94 × 629,482.18
  4. Step 4: Simplify right side
    1,145,695x = 995,249,057,741.87
  5. Step 5: Solve for x
    x = 995,249,057,741.87/1,145,695
  6. Step 6: Final answer
    x = 868,685.87

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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.