Home / 1,215,243.55-1,677,069.93-671,414.41

Finding the Fourth Proportional to 1,215,243.55, 1,677,069.93 and 671,414.41

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Solution

The fourth proportional to 1,215,243.55, 1,677,069.93 and 671,414.41 is: 926,570.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,243.55 : 1,677,069.93 = 671,414.41 : x
  2. Step 2: Convert to fraction form
    1,215,243.55/1,677,069.93 = 671,414.41/x
  3. Step 3: Cross multiply
    1,215,243.55x = 1,677,069.93 × 671,414.41
  4. Step 4: Simplify right side
    1,215,243.55x = 1,126,008,917,579.69
  5. Step 5: Solve for x
    x = 1,126,008,917,579.69/1,215,243.55
  6. Step 6: Final answer
    x = 926,570.58

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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.