Home / 1,638,031.26-2,457,489.78-500,833.65

Finding the Fourth Proportional to 1,638,031.26, 2,457,489.78 and 500,833.65

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Solution

The fourth proportional to 1,638,031.26, 2,457,489.78 and 500,833.65 is: 751,385.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,031.26 : 2,457,489.78 = 500,833.65 : x
  2. Step 2: Convert to fraction form
    1,638,031.26/2,457,489.78 = 500,833.65/x
  3. Step 3: Cross multiply
    1,638,031.26x = 2,457,489.78 × 500,833.65
  4. Step 4: Simplify right side
    1,638,031.26x = 1,230,793,576,355.10
  5. Step 5: Solve for x
    x = 1,230,793,576,355.10/1,638,031.26
  6. Step 6: Final answer
    x = 751,385.89

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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.