Home / 1,215,441.80-1,677,299.88-671,575.40

Finding the Fourth Proportional to 1,215,441.80, 1,677,299.88 and 671,575.40

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Solution

The fourth proportional to 1,215,441.80, 1,677,299.88 and 671,575.40 is: 926,768.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,441.80 : 1,677,299.88 = 671,575.40 : x
  2. Step 2: Convert to fraction form
    1,215,441.80/1,677,299.88 = 671,575.40/x
  3. Step 3: Cross multiply
    1,215,441.80x = 1,677,299.88 × 671,575.40
  4. Step 4: Simplify right side
    1,215,441.80x = 1,126,433,337,830.95
  5. Step 5: Solve for x
    x = 1,126,433,337,830.95/1,215,441.80
  6. Step 6: Final answer
    x = 926,768.63

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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.