Home / 1,045,462.87-1,568,211.50-287,299.60

Finding the Fourth Proportional to 1,045,462.87, 1,568,211.50 and 287,299.60

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Solution

The fourth proportional to 1,045,462.87, 1,568,211.50 and 287,299.60 is: 430,954.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,462.87 : 1,568,211.50 = 287,299.60 : x
  2. Step 2: Convert to fraction form
    1,045,462.87/1,568,211.50 = 287,299.60/x
  3. Step 3: Cross multiply
    1,045,462.87x = 1,568,211.50 × 287,299.60
  4. Step 4: Simplify right side
    1,045,462.87x = 450,546,527,387.85
  5. Step 5: Solve for x
    x = 450,546,527,387.85/1,045,462.87
  6. Step 6: Final answer
    x = 430,954.12

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Double scale
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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.