Home / 1,690,046.31-2,535,485-491,979.01

Finding the Fourth Proportional to 1,690,046.31, 2,535,485 and 491,979.01

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Solution

The fourth proportional to 1,690,046.31, 2,535,485 and 491,979.01 is: 738,089.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,046.31 : 2,535,485 = 491,979.01 : x
  2. Step 2: Convert to fraction form
    1,690,046.31/2,535,485 = 491,979.01/x
  3. Step 3: Cross multiply
    1,690,046.31x = 2,535,485 × 491,979.01
  4. Step 4: Simplify right side
    1,690,046.31x = 1,247,405,400,169.85
  5. Step 5: Solve for x
    x = 1,247,405,400,169.85/1,690,046.31
  6. Step 6: Final answer
    x = 738,089.48

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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.