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Finding the Fourth Proportional to 1,268,871, 1,903,306.52 and 382,407

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Solution

The fourth proportional to 1,268,871, 1,903,306.52 and 382,407 is: 573,610.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,871 : 1,903,306.52 = 382,407 : x
  2. Step 2: Convert to fraction form
    1,268,871/1,903,306.52 = 382,407/x
  3. Step 3: Cross multiply
    1,268,871x = 1,903,306.52 × 382,407
  4. Step 4: Simplify right side
    1,268,871x = 727,837,736,393.64
  5. Step 5: Solve for x
    x = 727,837,736,393.64/1,268,871
  6. Step 6: Final answer
    x = 573,610.51

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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.