Home / 1,258,470.28-1,886,564.62-627,577.48

Finding the Fourth Proportional to 1,258,470.28, 1,886,564.62 and 627,577.48

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Solution

The fourth proportional to 1,258,470.28, 1,886,564.62 and 627,577.48 is: 940,797.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,470.28 : 1,886,564.62 = 627,577.48 : x
  2. Step 2: Convert to fraction form
    1,258,470.28/1,886,564.62 = 627,577.48/x
  3. Step 3: Cross multiply
    1,258,470.28x = 1,886,564.62 × 627,577.48
  4. Step 4: Simplify right side
    1,258,470.28x = 1,183,965,470,076.76
  5. Step 5: Solve for x
    x = 1,183,965,470,076.76/1,258,470.28
  6. Step 6: Final answer
    x = 940,797.32

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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.