Home / 1,268,870-1,903,305.02-382,406

Finding the Fourth Proportional to 1,268,870, 1,903,305.02 and 382,406

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Solution

The fourth proportional to 1,268,870, 1,903,305.02 and 382,406 is: 573,609.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,870 : 1,903,305.02 = 382,406 : x
  2. Step 2: Convert to fraction form
    1,268,870/1,903,305.02 = 382,406/x
  3. Step 3: Cross multiply
    1,268,870x = 1,903,305.02 × 382,406
  4. Step 4: Simplify right side
    1,268,870x = 727,835,259,478.12
  5. Step 5: Solve for x
    x = 727,835,259,478.12/1,268,870
  6. Step 6: Final answer
    x = 573,609.01

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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.