Home / 1,215,014.88-1,676,812.44-698,926.80

Finding the Fourth Proportional to 1,215,014.88, 1,676,812.44 and 698,926.80

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Solution

The fourth proportional to 1,215,014.88, 1,676,812.44 and 698,926.80 is: 964,571.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,014.88 : 1,676,812.44 = 698,926.80 : x
  2. Step 2: Convert to fraction form
    1,215,014.88/1,676,812.44 = 698,926.80/x
  3. Step 3: Cross multiply
    1,215,014.88x = 1,676,812.44 × 698,926.80
  4. Step 4: Simplify right side
    1,215,014.88x = 1,171,969,152,889.39
  5. Step 5: Solve for x
    x = 1,171,969,152,889.39/1,215,014.88
  6. Step 6: Final answer
    x = 964,571.85

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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.