Home / 1,374,992.26-1,897,460.78-763,109.14

Finding the Fourth Proportional to 1,374,992.26, 1,897,460.78 and 763,109.14

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Solution

The fourth proportional to 1,374,992.26, 1,897,460.78 and 763,109.14 is: 1,053,074.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,992.26 : 1,897,460.78 = 763,109.14 : x
  2. Step 2: Convert to fraction form
    1,374,992.26/1,897,460.78 = 763,109.14/x
  3. Step 3: Cross multiply
    1,374,992.26x = 1,897,460.78 × 763,109.14
  4. Step 4: Simplify right side
    1,374,992.26x = 1,447,969,664,009.53
  5. Step 5: Solve for x
    x = 1,447,969,664,009.53/1,374,992.26
  6. Step 6: Final answer
    x = 1,053,074.77

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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.