Home / 1,361,225.25-1,878,523.65-817,383.96

Finding the Fourth Proportional to 1,361,225.25, 1,878,523.65 and 817,383.96

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Solution

The fourth proportional to 1,361,225.25, 1,878,523.65 and 817,383.96 is: 1,128,009.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,225.25 : 1,878,523.65 = 817,383.96 : x
  2. Step 2: Convert to fraction form
    1,361,225.25/1,878,523.65 = 817,383.96/x
  3. Step 3: Cross multiply
    1,361,225.25x = 1,878,523.65 × 817,383.96
  4. Step 4: Simplify right side
    1,361,225.25x = 1,535,475,099,990.65
  5. Step 5: Solve for x
    x = 1,535,475,099,990.65/1,361,225.25
  6. Step 6: Final answer
    x = 1,128,009.56

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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.