Home / 1,690,404.72-2,535,071.25-552,903.90

Finding the Fourth Proportional to 1,690,404.72, 2,535,071.25 and 552,903.90

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Solution

The fourth proportional to 1,690,404.72, 2,535,071.25 and 552,903.90 is: 829,180.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,404.72 : 2,535,071.25 = 552,903.90 : x
  2. Step 2: Convert to fraction form
    1,690,404.72/2,535,071.25 = 552,903.90/x
  3. Step 3: Cross multiply
    1,690,404.72x = 2,535,071.25 × 552,903.90
  4. Step 4: Simplify right side
    1,690,404.72x = 1,401,650,780,902.88
  5. Step 5: Solve for x
    x = 1,401,650,780,902.88/1,690,404.72
  6. Step 6: Final answer
    x = 829,180.59

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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.