Home / 1,615,708.11-2,421,501.58-857,912.61

Finding the Fourth Proportional to 1,615,708.11, 2,421,501.58 and 857,912.61

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Solution

The fourth proportional to 1,615,708.11, 2,421,501.58 and 857,912.61 is: 1,285,774.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,708.11 : 2,421,501.58 = 857,912.61 : x
  2. Step 2: Convert to fraction form
    1,615,708.11/2,421,501.58 = 857,912.61/x
  3. Step 3: Cross multiply
    1,615,708.11x = 2,421,501.58 × 857,912.61
  4. Step 4: Simplify right side
    1,615,708.11x = 2,077,436,750,769.95
  5. Step 5: Solve for x
    x = 2,077,436,750,769.95/1,615,708.11
  6. Step 6: Final answer
    x = 1,285,774.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.