Home / 1,254,279.40-1,880,874.78-455,295.40

Finding the Fourth Proportional to 1,254,279.40, 1,880,874.78 and 455,295.40

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Solution

The fourth proportional to 1,254,279.40, 1,880,874.78 and 455,295.40 is: 682,745.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,279.40 : 1,880,874.78 = 455,295.40 : x
  2. Step 2: Convert to fraction form
    1,254,279.40/1,880,874.78 = 455,295.40/x
  3. Step 3: Cross multiply
    1,254,279.40x = 1,880,874.78 × 455,295.40
  4. Step 4: Simplify right side
    1,254,279.40x = 856,353,635,310.01
  5. Step 5: Solve for x
    x = 856,353,635,310.01/1,254,279.40
  6. Step 6: Final answer
    x = 682,745.52

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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.