Home / 1,489,326.70-2,233,942.49-478,444.54

Finding the Fourth Proportional to 1,489,326.70, 2,233,942.49 and 478,444.54

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Solution

The fourth proportional to 1,489,326.70, 2,233,942.49 and 478,444.54 is: 717,651.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,326.70 : 2,233,942.49 = 478,444.54 : x
  2. Step 2: Convert to fraction form
    1,489,326.70/2,233,942.49 = 478,444.54/x
  3. Step 3: Cross multiply
    1,489,326.70x = 2,233,942.49 × 478,444.54
  4. Step 4: Simplify right side
    1,489,326.70x = 1,068,817,587,014.50
  5. Step 5: Solve for x
    x = 1,068,817,587,014.50/1,489,326.70
  6. Step 6: Final answer
    x = 717,651.53

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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.