Home / 1,690,401.72-2,535,066.75-552,900.90

Finding the Fourth Proportional to 1,690,401.72, 2,535,066.75 and 552,900.90

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Solution

The fourth proportional to 1,690,401.72, 2,535,066.75 and 552,900.90 is: 829,176.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,401.72 : 2,535,066.75 = 552,900.90 : x
  2. Step 2: Convert to fraction form
    1,690,401.72/2,535,066.75 = 552,900.90/x
  3. Step 3: Cross multiply
    1,690,401.72x = 2,535,066.75 × 552,900.90
  4. Step 4: Simplify right side
    1,690,401.72x = 1,401,640,687,635.08
  5. Step 5: Solve for x
    x = 1,401,640,687,635.08/1,690,401.72
  6. Step 6: Final answer
    x = 829,176.09

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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.