Home / 1,515,215.40-2,091,047.52-826,924.92

Finding the Fourth Proportional to 1,515,215.40, 2,091,047.52 and 826,924.92

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Solution

The fourth proportional to 1,515,215.40, 2,091,047.52 and 826,924.92 is: 1,141,183.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,215.40 : 2,091,047.52 = 826,924.92 : x
  2. Step 2: Convert to fraction form
    1,515,215.40/2,091,047.52 = 826,924.92/x
  3. Step 3: Cross multiply
    1,515,215.40x = 2,091,047.52 × 826,924.92
  4. Step 4: Simplify right side
    1,515,215.40x = 1,729,139,303,192.20
  5. Step 5: Solve for x
    x = 1,729,139,303,192.20/1,515,215.40
  6. Step 6: Final answer
    x = 1,141,183.82

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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.