Home / 1,420,670.64-2,131,846.68-522,742.92

Finding the Fourth Proportional to 1,420,670.64, 2,131,846.68 and 522,742.92

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Solution

The fourth proportional to 1,420,670.64, 2,131,846.68 and 522,742.92 is: 784,423.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,670.64 : 2,131,846.68 = 522,742.92 : x
  2. Step 2: Convert to fraction form
    1,420,670.64/2,131,846.68 = 522,742.92/x
  3. Step 3: Cross multiply
    1,420,670.64x = 2,131,846.68 × 522,742.92
  4. Step 4: Simplify right side
    1,420,670.64x = 1,114,407,758,495.51
  5. Step 5: Solve for x
    x = 1,114,407,758,495.51/1,420,670.64
  6. Step 6: Final answer
    x = 784,423.73

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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.