Home / 988,190.60-1,481,940.30-514,718.60

Finding the Fourth Proportional to 988,190.60, 1,481,940.30 and 514,718.60

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Solution

The fourth proportional to 988,190.60, 1,481,940.30 and 514,718.60 is: 771,897.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,190.60 : 1,481,940.30 = 514,718.60 : x
  2. Step 2: Convert to fraction form
    988,190.60/1,481,940.30 = 514,718.60/x
  3. Step 3: Cross multiply
    988,190.60x = 1,481,940.30 × 514,718.60
  4. Step 4: Simplify right side
    988,190.60x = 762,782,236,499.58
  5. Step 5: Solve for x
    x = 762,782,236,499.58/988,190.60
  6. Step 6: Final answer
    x = 771,897.89

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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.