Home / 1,398,204.20-2,096,896.70-499,541.80

Finding the Fourth Proportional to 1,398,204.20, 2,096,896.70 and 499,541.80

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Solution

The fourth proportional to 1,398,204.20, 2,096,896.70 and 499,541.80 is: 749,166.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,204.20 : 2,096,896.70 = 499,541.80 : x
  2. Step 2: Convert to fraction form
    1,398,204.20/2,096,896.70 = 499,541.80/x
  3. Step 3: Cross multiply
    1,398,204.20x = 2,096,896.70 × 499,541.80
  4. Step 4: Simplify right side
    1,398,204.20x = 1,047,487,551,932.06
  5. Step 5: Solve for x
    x = 1,047,487,551,932.06/1,398,204.20
  6. Step 6: Final answer
    x = 749,166.36

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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.