Home / 1,317,703-1,818,625.20-834,313.12

Finding the Fourth Proportional to 1,317,703, 1,818,625.20 and 834,313.12

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Solution

The fourth proportional to 1,317,703, 1,818,625.20 and 834,313.12 is: 1,151,475.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,703 : 1,818,625.20 = 834,313.12 : x
  2. Step 2: Convert to fraction form
    1,317,703/1,818,625.20 = 834,313.12/x
  3. Step 3: Cross multiply
    1,317,703x = 1,818,625.20 × 834,313.12
  4. Step 4: Simplify right side
    1,317,703x = 1,517,302,864,722.62
  5. Step 5: Solve for x
    x = 1,517,302,864,722.62/1,317,703
  6. Step 6: Final answer
    x = 1,151,475.61

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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.