Home / 1,690,406.47-2,535,073.87-552,905.65

Finding the Fourth Proportional to 1,690,406.47, 2,535,073.87 and 552,905.65

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Solution

The fourth proportional to 1,690,406.47, 2,535,073.87 and 552,905.65 is: 829,183.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,406.47 : 2,535,073.87 = 552,905.65 : x
  2. Step 2: Convert to fraction form
    1,690,406.47/2,535,073.87 = 552,905.65/x
  3. Step 3: Cross multiply
    1,690,406.47x = 2,535,073.87 × 552,905.65
  4. Step 4: Simplify right side
    1,690,406.47x = 1,401,656,665,890.37
  5. Step 5: Solve for x
    x = 1,401,656,665,890.37/1,690,406.47
  6. Step 6: Final answer
    x = 829,183.21

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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.