Home / 1,374,684.90-1,897,015.32-762,864.36

Finding the Fourth Proportional to 1,374,684.90, 1,897,015.32 and 762,864.36

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Solution

The fourth proportional to 1,374,684.90, 1,897,015.32 and 762,864.36 is: 1,052,725.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,684.90 : 1,897,015.32 = 762,864.36 : x
  2. Step 2: Convert to fraction form
    1,374,684.90/1,897,015.32 = 762,864.36/x
  3. Step 3: Cross multiply
    1,374,684.90x = 1,897,015.32 × 762,864.36
  4. Step 4: Simplify right side
    1,374,684.90x = 1,447,165,378,002.00
  5. Step 5: Solve for x
    x = 1,447,165,378,002.00/1,374,684.90
  6. Step 6: Final answer
    x = 1,052,725.16

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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.