Home / 1,379,352.96-1,903,221.81-806,282.28

Finding the Fourth Proportional to 1,379,352.96, 1,903,221.81 and 806,282.28

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Solution

The fourth proportional to 1,379,352.96, 1,903,221.81 and 806,282.28 is: 1,112,502.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,352.96 : 1,903,221.81 = 806,282.28 : x
  2. Step 2: Convert to fraction form
    1,379,352.96/1,903,221.81 = 806,282.28/x
  3. Step 3: Cross multiply
    1,379,352.96x = 1,903,221.81 × 806,282.28
  4. Step 4: Simplify right side
    1,379,352.96x = 1,534,534,020,312.53
  5. Step 5: Solve for x
    x = 1,534,534,020,312.53/1,379,352.96
  6. Step 6: Final answer
    x = 1,112,502.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.