Home / 1,258,689.15-1,888,624.22-627,652.17

Finding the Fourth Proportional to 1,258,689.15, 1,888,624.22 and 627,652.17

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Solution

The fourth proportional to 1,258,689.15, 1,888,624.22 and 627,652.17 is: 941,772.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,689.15 : 1,888,624.22 = 627,652.17 : x
  2. Step 2: Convert to fraction form
    1,258,689.15/1,888,624.22 = 627,652.17/x
  3. Step 3: Cross multiply
    1,258,689.15x = 1,888,624.22 × 627,652.17
  4. Step 4: Simplify right side
    1,258,689.15x = 1,185,399,089,997.56
  5. Step 5: Solve for x
    x = 1,185,399,089,997.56/1,258,689.15
  6. Step 6: Final answer
    x = 941,772.71

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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.