Home / 1,558,020-2,150,067.60-842,628

Finding the Fourth Proportional to 1,558,020, 2,150,067.60 and 842,628

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Solution

The fourth proportional to 1,558,020, 2,150,067.60 and 842,628 is: 1,162,826.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,020 : 2,150,067.60 = 842,628 : x
  2. Step 2: Convert to fraction form
    1,558,020/2,150,067.60 = 842,628/x
  3. Step 3: Cross multiply
    1,558,020x = 2,150,067.60 × 842,628
  4. Step 4: Simplify right side
    1,558,020x = 1,811,707,161,652.80
  5. Step 5: Solve for x
    x = 1,811,707,161,652.80/1,558,020
  6. Step 6: Final answer
    x = 1,162,826.64

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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.