Home / 1,557,956.76-2,150,339.04-913,584.56

Finding the Fourth Proportional to 1,557,956.76, 2,150,339.04 and 913,584.56

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Solution

The fourth proportional to 1,557,956.76, 2,150,339.04 and 913,584.56 is: 1,260,957.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,956.76 : 2,150,339.04 = 913,584.56 : x
  2. Step 2: Convert to fraction form
    1,557,956.76/2,150,339.04 = 913,584.56/x
  3. Step 3: Cross multiply
    1,557,956.76x = 2,150,339.04 × 913,584.56
  4. Step 4: Simplify right side
    1,557,956.76x = 1,964,516,545,709.22
  5. Step 5: Solve for x
    x = 1,964,516,545,709.22/1,557,956.76
  6. Step 6: Final answer
    x = 1,260,957.04

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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.