Home / 1,115,092.45-1,538,859.11-631,657.45

Finding the Fourth Proportional to 1,115,092.45, 1,538,859.11 and 631,657.45

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Solution

The fourth proportional to 1,115,092.45, 1,538,859.11 and 631,657.45 is: 871,705.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,092.45 : 1,538,859.11 = 631,657.45 : x
  2. Step 2: Convert to fraction form
    1,115,092.45/1,538,859.11 = 631,657.45/x
  3. Step 3: Cross multiply
    1,115,092.45x = 1,538,859.11 × 631,657.45
  4. Step 4: Simplify right side
    1,115,092.45x = 972,031,814,326.44
  5. Step 5: Solve for x
    x = 972,031,814,326.44/1,115,092.45
  6. Step 6: Final answer
    x = 871,705.14

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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.