Home / 1,215,242.82-1,677,002.67-671,290.92

Finding the Fourth Proportional to 1,215,242.82, 1,677,002.67 and 671,290.92

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Solution

The fourth proportional to 1,215,242.82, 1,677,002.67 and 671,290.92 is: 926,363.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,242.82 : 1,677,002.67 = 671,290.92 : x
  2. Step 2: Convert to fraction form
    1,215,242.82/1,677,002.67 = 671,290.92/x
  3. Step 3: Cross multiply
    1,215,242.82x = 1,677,002.67 × 671,290.92
  4. Step 4: Simplify right side
    1,215,242.82x = 1,125,756,665,186.76
  5. Step 5: Solve for x
    x = 1,125,756,665,186.76/1,215,242.82
  6. Step 6: Final answer
    x = 926,363.56

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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.