Home / 1,690,144.30-2,535,382.05-492,078.70

Finding the Fourth Proportional to 1,690,144.30, 2,535,382.05 and 492,078.70

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Solution

The fourth proportional to 1,690,144.30, 2,535,382.05 and 492,078.70 is: 738,166.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,144.30 : 2,535,382.05 = 492,078.70 : x
  2. Step 2: Convert to fraction form
    1,690,144.30/2,535,382.05 = 492,078.70/x
  3. Step 3: Cross multiply
    1,690,144.30x = 2,535,382.05 × 492,078.70
  4. Step 4: Simplify right side
    1,690,144.30x = 1,247,607,503,167.34
  5. Step 5: Solve for x
    x = 1,247,607,503,167.34/1,690,144.30
  6. Step 6: Final answer
    x = 738,166.26

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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.