Home / 1,208,874.30-1,812,793.05-609,603.90

Finding the Fourth Proportional to 1,208,874.30, 1,812,793.05 and 609,603.90

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Solution

The fourth proportional to 1,208,874.30, 1,812,793.05 and 609,603.90 is: 914,144.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,874.30 : 1,812,793.05 = 609,603.90 : x
  2. Step 2: Convert to fraction form
    1,208,874.30/1,812,793.05 = 609,603.90/x
  3. Step 3: Cross multiply
    1,208,874.30x = 1,812,793.05 × 609,603.90
  4. Step 4: Simplify right side
    1,208,874.30x = 1,105,085,713,172.90
  5. Step 5: Solve for x
    x = 1,105,085,713,172.90/1,208,874.30
  6. Step 6: Final answer
    x = 914,144.43

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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.