Home / 905,000.33-1,356,239.36-680,098.10

Finding the Fourth Proportional to 905,000.33, 1,356,239.36 and 680,098.10

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Solution

The fourth proportional to 905,000.33, 1,356,239.36 and 680,098.10 is: 1,019,199.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,000.33 : 1,356,239.36 = 680,098.10 : x
  2. Step 2: Convert to fraction form
    905,000.33/1,356,239.36 = 680,098.10/x
  3. Step 3: Cross multiply
    905,000.33x = 1,356,239.36 × 680,098.10
  4. Step 4: Simplify right side
    905,000.33x = 922,375,806,800.26
  5. Step 5: Solve for x
    x = 922,375,806,800.26/905,000.33
  6. Step 6: Final answer
    x = 1,019,199.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.