Home / 1,555,359.31-2,146,286.59-857,609.11

Finding the Fourth Proportional to 1,555,359.31, 2,146,286.59 and 857,609.11

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Solution

The fourth proportional to 1,555,359.31, 2,146,286.59 and 857,609.11 is: 1,183,440.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,359.31 : 2,146,286.59 = 857,609.11 : x
  2. Step 2: Convert to fraction form
    1,555,359.31/2,146,286.59 = 857,609.11/x
  3. Step 3: Cross multiply
    1,555,359.31x = 2,146,286.59 × 857,609.11
  4. Step 4: Simplify right side
    1,555,359.31x = 1,840,674,932,254.83
  5. Step 5: Solve for x
    x = 1,840,674,932,254.83/1,555,359.31
  6. Step 6: Final answer
    x = 1,183,440.33

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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.