Home / 1,268,954.35-1,902,988.78-510,599.35

Finding the Fourth Proportional to 1,268,954.35, 1,902,988.78 and 510,599.35

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Solution

The fourth proportional to 1,268,954.35, 1,902,988.78 and 510,599.35 is: 765,720.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,954.35 : 1,902,988.78 = 510,599.35 : x
  2. Step 2: Convert to fraction form
    1,268,954.35/1,902,988.78 = 510,599.35/x
  3. Step 3: Cross multiply
    1,268,954.35x = 1,902,988.78 × 510,599.35
  4. Step 4: Simplify right side
    1,268,954.35x = 971,664,834,125.29
  5. Step 5: Solve for x
    x = 971,664,834,125.29/1,268,954.35
  6. Step 6: Final answer
    x = 765,720.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.