Home / 1,115,218.67-1,538,951.60-631,773.95

Finding the Fourth Proportional to 1,115,218.67, 1,538,951.60 and 631,773.95

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Solution

The fourth proportional to 1,115,218.67, 1,538,951.60 and 631,773.95 is: 871,819.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,218.67 : 1,538,951.60 = 631,773.95 : x
  2. Step 2: Convert to fraction form
    1,115,218.67/1,538,951.60 = 631,773.95/x
  3. Step 3: Cross multiply
    1,115,218.67x = 1,538,951.60 × 631,773.95
  4. Step 4: Simplify right side
    1,115,218.67x = 972,269,525,075.50
  5. Step 5: Solve for x
    x = 972,269,525,075.50/1,115,218.67
  6. Step 6: Final answer
    x = 871,819.63

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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.