Home / 957,378.80-1,436,068.20-786,136.70

Finding the Fourth Proportional to 957,378.80, 1,436,068.20 and 786,136.70

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Solution

The fourth proportional to 957,378.80, 1,436,068.20 and 786,136.70 is: 1,179,205.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,378.80 : 1,436,068.20 = 786,136.70 : x
  2. Step 2: Convert to fraction form
    957,378.80/1,436,068.20 = 786,136.70/x
  3. Step 3: Cross multiply
    957,378.80x = 1,436,068.20 × 786,136.70
  4. Step 4: Simplify right side
    957,378.80x = 1,128,945,915,722.94
  5. Step 5: Solve for x
    x = 1,128,945,915,722.94/957,378.80
  6. Step 6: Final answer
    x = 1,179,205.05

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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.