Home / 1,690,523.80-2,535,942.08-611,305.72

Finding the Fourth Proportional to 1,690,523.80, 2,535,942.08 and 611,305.72

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Solution

The fourth proportional to 1,690,523.80, 2,535,942.08 and 611,305.72 is: 917,015.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,523.80 : 2,535,942.08 = 611,305.72 : x
  2. Step 2: Convert to fraction form
    1,690,523.80/2,535,942.08 = 611,305.72/x
  3. Step 3: Cross multiply
    1,690,523.80x = 2,535,942.08 × 611,305.72
  4. Step 4: Simplify right side
    1,690,523.80x = 1,550,235,899,092.70
  5. Step 5: Solve for x
    x = 1,550,235,899,092.70/1,690,523.80
  6. Step 6: Final answer
    x = 917,015.13

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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.