Home / 1,237,204.20-1,854,920.70-478,396.20

Finding the Fourth Proportional to 1,237,204.20, 1,854,920.70 and 478,396.20

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Solution

The fourth proportional to 1,237,204.20, 1,854,920.70 and 478,396.20 is: 717,251.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,204.20 : 1,854,920.70 = 478,396.20 : x
  2. Step 2: Convert to fraction form
    1,237,204.20/1,854,920.70 = 478,396.20/x
  3. Step 3: Cross multiply
    1,237,204.20x = 1,854,920.70 × 478,396.20
  4. Step 4: Simplify right side
    1,237,204.20x = 887,387,014,181.34
  5. Step 5: Solve for x
    x = 887,387,014,181.34/1,237,204.20
  6. Step 6: Final answer
    x = 717,251.86

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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.