Home / 1,317,732.08-1,818,665.28-834,342.08

Finding the Fourth Proportional to 1,317,732.08, 1,818,665.28 and 834,342.08

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Solution

The fourth proportional to 1,317,732.08, 1,818,665.28 and 834,342.08 is: 1,151,515.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,732.08 : 1,818,665.28 = 834,342.08 : x
  2. Step 2: Convert to fraction form
    1,317,732.08/1,818,665.28 = 834,342.08/x
  3. Step 3: Cross multiply
    1,317,732.08x = 1,818,665.28 × 834,342.08
  4. Step 4: Simplify right side
    1,317,732.08x = 1,517,388,972,538.98
  5. Step 5: Solve for x
    x = 1,517,388,972,538.98/1,317,732.08
  6. Step 6: Final answer
    x = 1,151,515.54

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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.