Home / 1,167,960-1,611,786.24-631,416

Finding the Fourth Proportional to 1,167,960, 1,611,786.24 and 631,416

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Solution

The fourth proportional to 1,167,960, 1,611,786.24 and 631,416 is: 871,354.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,960 : 1,611,786.24 = 631,416 : x
  2. Step 2: Convert to fraction form
    1,167,960/1,611,786.24 = 631,416/x
  3. Step 3: Cross multiply
    1,167,960x = 1,611,786.24 × 631,416
  4. Step 4: Simplify right side
    1,167,960x = 1,017,707,620,515.84
  5. Step 5: Solve for x
    x = 1,017,707,620,515.84/1,167,960
  6. Step 6: Final answer
    x = 871,354.86

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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.