Home / 1,879,435.92-2,819,128.68-459,504.24

Finding the Fourth Proportional to 1,879,435.92, 2,819,128.68 and 459,504.24

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Solution

The fourth proportional to 1,879,435.92, 2,819,128.68 and 459,504.24 is: 689,250.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,435.92 : 2,819,128.68 = 459,504.24 : x
  2. Step 2: Convert to fraction form
    1,879,435.92/2,819,128.68 = 459,504.24/x
  3. Step 3: Cross multiply
    1,879,435.92x = 2,819,128.68 × 459,504.24
  4. Step 4: Simplify right side
    1,879,435.92x = 1,295,401,581,565.60
  5. Step 5: Solve for x
    x = 1,295,401,581,565.60/1,879,435.92
  6. Step 6: Final answer
    x = 689,250.20

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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.