Home / 1,086,079.86-1,629,066.80-403,099.61

Finding the Fourth Proportional to 1,086,079.86, 1,629,066.80 and 403,099.61

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Solution

The fourth proportional to 1,086,079.86, 1,629,066.80 and 403,099.61 is: 604,629.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,079.86 : 1,629,066.80 = 403,099.61 : x
  2. Step 2: Convert to fraction form
    1,086,079.86/1,629,066.80 = 403,099.61/x
  3. Step 3: Cross multiply
    1,086,079.86x = 1,629,066.80 × 403,099.61
  4. Step 4: Simplify right side
    1,086,079.86x = 656,676,184,606.36
  5. Step 5: Solve for x
    x = 656,676,184,606.36/1,086,079.86
  6. Step 6: Final answer
    x = 604,629.74

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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.