Home / 1,262,302.44-1,893,470.39-420,854.46

Finding the Fourth Proportional to 1,262,302.44, 1,893,470.39 and 420,854.46

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Solution

The fourth proportional to 1,262,302.44, 1,893,470.39 and 420,854.46 is: 631,287.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,302.44 : 1,893,470.39 = 420,854.46 : x
  2. Step 2: Convert to fraction form
    1,262,302.44/1,893,470.39 = 420,854.46/x
  3. Step 3: Cross multiply
    1,262,302.44x = 1,893,470.39 × 420,854.46
  4. Step 4: Simplify right side
    1,262,302.44x = 796,875,458,509.44
  5. Step 5: Solve for x
    x = 796,875,458,509.44/1,262,302.44
  6. Step 6: Final answer
    x = 631,287.27

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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.