Home / 1,374,203.64-1,896,403.29-762,356.40

Finding the Fourth Proportional to 1,374,203.64, 1,896,403.29 and 762,356.40

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Solution

The fourth proportional to 1,374,203.64, 1,896,403.29 and 762,356.40 is: 1,052,053.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,203.64 : 1,896,403.29 = 762,356.40 : x
  2. Step 2: Convert to fraction form
    1,374,203.64/1,896,403.29 = 762,356.40/x
  3. Step 3: Cross multiply
    1,374,203.64x = 1,896,403.29 × 762,356.40
  4. Step 4: Simplify right side
    1,374,203.64x = 1,445,735,185,112.56
  5. Step 5: Solve for x
    x = 1,445,735,185,112.56/1,374,203.64
  6. Step 6: Final answer
    x = 1,052,053.09

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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.