Home / 1,071,363.81-1,606,961.87-313,212.31

Finding the Fourth Proportional to 1,071,363.81, 1,606,961.87 and 313,212.31

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Solution

The fourth proportional to 1,071,363.81, 1,606,961.87 and 313,212.31 is: 469,793.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,363.81 : 1,606,961.87 = 313,212.31 : x
  2. Step 2: Convert to fraction form
    1,071,363.81/1,606,961.87 = 313,212.31/x
  3. Step 3: Cross multiply
    1,071,363.81x = 1,606,961.87 × 313,212.31
  4. Step 4: Simplify right side
    1,071,363.81x = 503,320,242,176.35
  5. Step 5: Solve for x
    x = 503,320,242,176.35/1,071,363.81
  6. Step 6: Final answer
    x = 469,793.96

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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.