Home / 1,215,188.96-1,676,952.79-671,359.82

Finding the Fourth Proportional to 1,215,188.96, 1,676,952.79 and 671,359.82

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Solution

The fourth proportional to 1,215,188.96, 1,676,952.79 and 671,359.82 is: 926,472.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,188.96 : 1,676,952.79 = 671,359.82 : x
  2. Step 2: Convert to fraction form
    1,215,188.96/1,676,952.79 = 671,359.82/x
  3. Step 3: Cross multiply
    1,215,188.96x = 1,676,952.79 × 671,359.82
  4. Step 4: Simplify right side
    1,215,188.96x = 1,125,838,713,179.73
  5. Step 5: Solve for x
    x = 1,125,838,713,179.73/1,215,188.96
  6. Step 6: Final answer
    x = 926,472.14

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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.