Home / 1,615,717.53-2,421,515.25-857,922.03

Finding the Fourth Proportional to 1,615,717.53, 2,421,515.25 and 857,922.03

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Solution

The fourth proportional to 1,615,717.53, 2,421,515.25 and 857,922.03 is: 1,285,788.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,717.53 : 2,421,515.25 = 857,922.03 : x
  2. Step 2: Convert to fraction form
    1,615,717.53/2,421,515.25 = 857,922.03/x
  3. Step 3: Cross multiply
    1,615,717.53x = 2,421,515.25 × 857,922.03
  4. Step 4: Simplify right side
    1,615,717.53x = 2,077,471,278,955.96
  5. Step 5: Solve for x
    x = 2,077,471,278,955.96/1,615,717.53
  6. Step 6: Final answer
    x = 1,285,788.66

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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.