Home / 1,268,774.85-1,902,402.21-403,836.17

Finding the Fourth Proportional to 1,268,774.85, 1,902,402.21 and 403,836.17

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Solution

The fourth proportional to 1,268,774.85, 1,902,402.21 and 403,836.17 is: 605,512.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,774.85 : 1,902,402.21 = 403,836.17 : x
  2. Step 2: Convert to fraction form
    1,268,774.85/1,902,402.21 = 403,836.17/x
  3. Step 3: Cross multiply
    1,268,774.85x = 1,902,402.21 × 403,836.17
  4. Step 4: Simplify right side
    1,268,774.85x = 768,258,828,051.53
  5. Step 5: Solve for x
    x = 768,258,828,051.53/1,268,774.85
  6. Step 6: Final answer
    x = 605,512.34

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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.