Home / 1,215,397.12-1,677,161.82-671,526.94

Finding the Fourth Proportional to 1,215,397.12, 1,677,161.82 and 671,526.94

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Solution

The fourth proportional to 1,215,397.12, 1,677,161.82 and 671,526.94 is: 926,659.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,397.12 : 1,677,161.82 = 671,526.94 : x
  2. Step 2: Convert to fraction form
    1,215,397.12/1,677,161.82 = 671,526.94/x
  3. Step 3: Cross multiply
    1,215,397.12x = 1,677,161.82 × 671,526.94
  4. Step 4: Simplify right side
    1,215,397.12x = 1,126,259,344,869.43
  5. Step 5: Solve for x
    x = 1,126,259,344,869.43/1,215,397.12
  6. Step 6: Final answer
    x = 926,659.55

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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.