Home / 1,317,934.12-1,818,917.52-737,189.52

Finding the Fourth Proportional to 1,317,934.12, 1,818,917.52 and 737,189.52

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Solution

The fourth proportional to 1,317,934.12, 1,818,917.52 and 737,189.52 is: 1,017,415.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,934.12 : 1,818,917.52 = 737,189.52 : x
  2. Step 2: Convert to fraction form
    1,317,934.12/1,818,917.52 = 737,189.52/x
  3. Step 3: Cross multiply
    1,317,934.12x = 1,818,917.52 × 737,189.52
  4. Step 4: Simplify right side
    1,317,934.12x = 1,340,886,929,802.44
  5. Step 5: Solve for x
    x = 1,340,886,929,802.44/1,317,934.12
  6. Step 6: Final answer
    x = 1,017,415.75

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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.