Home / 1,765,687.72-2,648,555.70-503,515.12

Finding the Fourth Proportional to 1,765,687.72, 2,648,555.70 and 503,515.12

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Solution

The fourth proportional to 1,765,687.72, 2,648,555.70 and 503,515.12 is: 755,279.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,687.72 : 2,648,555.70 = 503,515.12 : x
  2. Step 2: Convert to fraction form
    1,765,687.72/2,648,555.70 = 503,515.12/x
  3. Step 3: Cross multiply
    1,765,687.72x = 2,648,555.70 × 503,515.12
  4. Step 4: Simplify right side
    1,765,687.72x = 1,333,587,841,112.18
  5. Step 5: Solve for x
    x = 1,333,587,841,112.18/1,765,687.72
  6. Step 6: Final answer
    x = 755,279.56

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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.