Home / 1,429,914.96-2,145,167.88-419,070.06

Finding the Fourth Proportional to 1,429,914.96, 2,145,167.88 and 419,070.06

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Solution

The fourth proportional to 1,429,914.96, 2,145,167.88 and 419,070.06 is: 628,691.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,914.96 : 2,145,167.88 = 419,070.06 : x
  2. Step 2: Convert to fraction form
    1,429,914.96/2,145,167.88 = 419,070.06/x
  3. Step 3: Cross multiply
    1,429,914.96x = 2,145,167.88 × 419,070.06
  4. Step 4: Simplify right side
    1,429,914.96x = 898,975,632,181.67
  5. Step 5: Solve for x
    x = 898,975,632,181.67/1,429,914.96
  6. Step 6: Final answer
    x = 628,691.68

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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.