Home / 1,638,905.68-2,458,270.88-501,668.46

Finding the Fourth Proportional to 1,638,905.68, 2,458,270.88 and 501,668.46

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Solution

The fourth proportional to 1,638,905.68, 2,458,270.88 and 501,668.46 is: 752,475.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,905.68 : 2,458,270.88 = 501,668.46 : x
  2. Step 2: Convert to fraction form
    1,638,905.68/2,458,270.88 = 501,668.46/x
  3. Step 3: Cross multiply
    1,638,905.68x = 2,458,270.88 × 501,668.46
  4. Step 4: Simplify right side
    1,638,905.68x = 1,233,236,966,632.44
  5. Step 5: Solve for x
    x = 1,233,236,966,632.44/1,638,905.68
  6. Step 6: Final answer
    x = 752,475.86

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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.