Home / 1,240,358.14-1,857,824.60-879,434.96

Finding the Fourth Proportional to 1,240,358.14, 1,857,824.60 and 879,434.96

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Solution

The fourth proportional to 1,240,358.14, 1,857,824.60 and 879,434.96 is: 1,317,229.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,358.14 : 1,857,824.60 = 879,434.96 : x
  2. Step 2: Convert to fraction form
    1,240,358.14/1,857,824.60 = 879,434.96/x
  3. Step 3: Cross multiply
    1,240,358.14x = 1,857,824.60 × 879,434.96
  4. Step 4: Simplify right side
    1,240,358.14x = 1,633,835,902,788.02
  5. Step 5: Solve for x
    x = 1,633,835,902,788.02/1,240,358.14
  6. Step 6: Final answer
    x = 1,317,229.15

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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.