Home / 1,071,379.82-1,607,023.65-323,403.50

Finding the Fourth Proportional to 1,071,379.82, 1,607,023.65 and 323,403.50

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Solution

The fourth proportional to 1,071,379.82, 1,607,023.65 and 323,403.50 is: 485,091.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,379.82 : 1,607,023.65 = 323,403.50 : x
  2. Step 2: Convert to fraction form
    1,071,379.82/1,607,023.65 = 323,403.50/x
  3. Step 3: Cross multiply
    1,071,379.82x = 1,607,023.65 × 323,403.50
  4. Step 4: Simplify right side
    1,071,379.82x = 519,717,072,992.78
  5. Step 5: Solve for x
    x = 519,717,072,992.78/1,071,379.82
  6. Step 6: Final answer
    x = 485,091.34

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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.