Home / 915,173.82-1,262,512.71-575,829.18

Finding the Fourth Proportional to 915,173.82, 1,262,512.71 and 575,829.18

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Solution

The fourth proportional to 915,173.82, 1,262,512.71 and 575,829.18 is: 794,375.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,173.82 : 1,262,512.71 = 575,829.18 : x
  2. Step 2: Convert to fraction form
    915,173.82/1,262,512.71 = 575,829.18/x
  3. Step 3: Cross multiply
    915,173.82x = 1,262,512.71 × 575,829.18
  4. Step 4: Simplify right side
    915,173.82x = 726,991,658,538.88
  5. Step 5: Solve for x
    x = 726,991,658,538.88/915,173.82
  6. Step 6: Final answer
    x = 794,375.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.