Home / 1,690,892.42-2,536,317.02-411,502.10

Finding the Fourth Proportional to 1,690,892.42, 2,536,317.02 and 411,502.10

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Solution

The fourth proportional to 1,690,892.42, 2,536,317.02 and 411,502.10 is: 617,247.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,892.42 : 2,536,317.02 = 411,502.10 : x
  2. Step 2: Convert to fraction form
    1,690,892.42/2,536,317.02 = 411,502.10/x
  3. Step 3: Cross multiply
    1,690,892.42x = 2,536,317.02 × 411,502.10
  4. Step 4: Simplify right side
    1,690,892.42x = 1,043,699,765,256.65
  5. Step 5: Solve for x
    x = 1,043,699,765,256.65/1,690,892.42
  6. Step 6: Final answer
    x = 617,247.88

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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.