Home / 1,131,747.60-1,697,621.94-290,299.62

Finding the Fourth Proportional to 1,131,747.60, 1,697,621.94 and 290,299.62

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Solution

The fourth proportional to 1,131,747.60, 1,697,621.94 and 290,299.62 is: 435,449.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,747.60 : 1,697,621.94 = 290,299.62 : x
  2. Step 2: Convert to fraction form
    1,131,747.60/1,697,621.94 = 290,299.62/x
  3. Step 3: Cross multiply
    1,131,747.60x = 1,697,621.94 × 290,299.62
  4. Step 4: Simplify right side
    1,131,747.60x = 492,819,004,085.66
  5. Step 5: Solve for x
    x = 492,819,004,085.66/1,131,747.60
  6. Step 6: Final answer
    x = 435,449.57

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1.5x scale

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.