Home / 1,531,301.52-2,113,178.92-842,958.66

Finding the Fourth Proportional to 1,531,301.52, 2,113,178.92 and 842,958.66

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Solution

The fourth proportional to 1,531,301.52, 2,113,178.92 and 842,958.66 is: 1,163,273.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,301.52 : 2,113,178.92 = 842,958.66 : x
  2. Step 2: Convert to fraction form
    1,531,301.52/2,113,178.92 = 842,958.66/x
  3. Step 3: Cross multiply
    1,531,301.52x = 2,113,178.92 × 842,958.66
  4. Step 4: Simplify right side
    1,531,301.52x = 1,781,322,470,743.45
  5. Step 5: Solve for x
    x = 1,781,322,470,743.45/1,531,301.52
  6. Step 6: Final answer
    x = 1,163,273.49

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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.