Home / 979,381.60-1,467,322.80-800,922.40

Finding the Fourth Proportional to 979,381.60, 1,467,322.80 and 800,922.40

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Solution

The fourth proportional to 979,381.60, 1,467,322.80 and 800,922.40 is: 1,199,952.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,381.60 : 1,467,322.80 = 800,922.40 : x
  2. Step 2: Convert to fraction form
    979,381.60/1,467,322.80 = 800,922.40/x
  3. Step 3: Cross multiply
    979,381.60x = 1,467,322.80 × 800,922.40
  4. Step 4: Simplify right side
    979,381.60x = 1,175,211,698,550.72
  5. Step 5: Solve for x
    x = 1,175,211,698,550.72/979,381.60
  6. Step 6: Final answer
    x = 1,199,952.81

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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.