Home / 1,029,515.58-1,543,746.78-430,313.22

Finding the Fourth Proportional to 1,029,515.58, 1,543,746.78 and 430,313.22

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Solution

The fourth proportional to 1,029,515.58, 1,543,746.78 and 430,313.22 is: 645,249.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,515.58 : 1,543,746.78 = 430,313.22 : x
  2. Step 2: Convert to fraction form
    1,029,515.58/1,543,746.78 = 430,313.22/x
  3. Step 3: Cross multiply
    1,029,515.58x = 1,543,746.78 × 430,313.22
  4. Step 4: Simplify right side
    1,029,515.58x = 664,294,647,766.43
  5. Step 5: Solve for x
    x = 664,294,647,766.43/1,029,515.58
  6. Step 6: Final answer
    x = 645,249.73

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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.