Home / 1,019,483.12-1,529,408.54-420,110.66

Finding the Fourth Proportional to 1,019,483.12, 1,529,408.54 and 420,110.66

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Solution

The fourth proportional to 1,019,483.12, 1,529,408.54 and 420,110.66 is: 630,241.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,483.12 : 1,529,408.54 = 420,110.66 : x
  2. Step 2: Convert to fraction form
    1,019,483.12/1,529,408.54 = 420,110.66/x
  3. Step 3: Cross multiply
    1,019,483.12x = 1,529,408.54 × 420,110.66
  4. Step 4: Simplify right side
    1,019,483.12x = 642,520,824,552.27
  5. Step 5: Solve for x
    x = 642,520,824,552.27/1,019,483.12
  6. Step 6: Final answer
    x = 630,241.75

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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.