Home / 1,208,372.43-1,812,171.13-398,575.08

Finding the Fourth Proportional to 1,208,372.43, 1,812,171.13 and 398,575.08

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Solution

The fourth proportional to 1,208,372.43, 1,812,171.13 and 398,575.08 is: 597,734.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,372.43 : 1,812,171.13 = 398,575.08 : x
  2. Step 2: Convert to fraction form
    1,208,372.43/1,812,171.13 = 398,575.08/x
  3. Step 3: Cross multiply
    1,208,372.43x = 1,812,171.13 × 398,575.08
  4. Step 4: Simplify right side
    1,208,372.43x = 722,286,254,358.99
  5. Step 5: Solve for x
    x = 722,286,254,358.99/1,208,372.43
  6. Step 6: Final answer
    x = 597,734.80

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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.