Home / 1,115,197.04-1,538,921.76-631,752.32

Finding the Fourth Proportional to 1,115,197.04, 1,538,921.76 and 631,752.32

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Solution

The fourth proportional to 1,115,197.04, 1,538,921.76 and 631,752.32 is: 871,789.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,197.04 : 1,538,921.76 = 631,752.32 : x
  2. Step 2: Convert to fraction form
    1,115,197.04/1,538,921.76 = 631,752.32/x
  3. Step 3: Cross multiply
    1,115,197.04x = 1,538,921.76 × 631,752.32
  4. Step 4: Simplify right side
    1,115,197.04x = 972,217,392,178.48
  5. Step 5: Solve for x
    x = 972,217,392,178.48/1,115,197.04
  6. Step 6: Final answer
    x = 871,789.79

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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.