Home / 1,558,378.36-2,335,795.80-659,258.92

Finding the Fourth Proportional to 1,558,378.36, 2,335,795.80 and 659,258.92

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Solution

The fourth proportional to 1,558,378.36, 2,335,795.80 and 659,258.92 is: 988,138.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,378.36 : 2,335,795.80 = 659,258.92 : x
  2. Step 2: Convert to fraction form
    1,558,378.36/2,335,795.80 = 659,258.92/x
  3. Step 3: Cross multiply
    1,558,378.36x = 2,335,795.80 × 659,258.92
  4. Step 4: Simplify right side
    1,558,378.36x = 1,539,894,216,448.54
  5. Step 5: Solve for x
    x = 1,539,894,216,448.54/1,558,378.36
  6. Step 6: Final answer
    x = 988,138.86

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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.