Home / 1,690,022.90-2,535,449.90-491,955.59

Finding the Fourth Proportional to 1,690,022.90, 2,535,449.90 and 491,955.59

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Solution

The fourth proportional to 1,690,022.90, 2,535,449.90 and 491,955.59 is: 738,054.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,022.90 : 2,535,449.90 = 491,955.59 : x
  2. Step 2: Convert to fraction form
    1,690,022.90/2,535,449.90 = 491,955.59/x
  3. Step 3: Cross multiply
    1,690,022.90x = 2,535,449.90 × 491,955.59
  4. Step 4: Simplify right side
    1,690,022.90x = 1,247,328,755,348.79
  5. Step 5: Solve for x
    x = 1,247,328,755,348.79/1,690,022.90
  6. Step 6: Final answer
    x = 738,054.35

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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.