Home / 1,074,404.20-1,609,662.30-512,199.40

Finding the Fourth Proportional to 1,074,404.20, 1,609,662.30 and 512,199.40

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Solution

The fourth proportional to 1,074,404.20, 1,609,662.30 and 512,199.40 is: 767,372.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,404.20 : 1,609,662.30 = 512,199.40 : x
  2. Step 2: Convert to fraction form
    1,074,404.20/1,609,662.30 = 512,199.40/x
  3. Step 3: Cross multiply
    1,074,404.20x = 1,609,662.30 × 512,199.40
  4. Step 4: Simplify right side
    1,074,404.20x = 824,468,064,262.62
  5. Step 5: Solve for x
    x = 824,468,064,262.62/1,074,404.20
  6. Step 6: Final answer
    x = 767,372.34

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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.