Home / 1,109,493.42-1,664,434.53-478,432.14

Finding the Fourth Proportional to 1,109,493.42, 1,664,434.53 and 478,432.14

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Solution

The fourth proportional to 1,109,493.42, 1,664,434.53 and 478,432.14 is: 717,732.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,493.42 : 1,664,434.53 = 478,432.14 : x
  2. Step 2: Convert to fraction form
    1,109,493.42/1,664,434.53 = 478,432.14/x
  3. Step 3: Cross multiply
    1,109,493.42x = 1,664,434.53 × 478,432.14
  4. Step 4: Simplify right side
    1,109,493.42x = 796,318,974,077.79
  5. Step 5: Solve for x
    x = 796,318,974,077.79/1,109,493.42
  6. Step 6: Final answer
    x = 717,732.04

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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.