Home / 1,408,433.28-1,943,632.32-763,850.88

Finding the Fourth Proportional to 1,408,433.28, 1,943,632.32 and 763,850.88

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Solution

The fourth proportional to 1,408,433.28, 1,943,632.32 and 763,850.88 is: 1,054,111.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,433.28 : 1,943,632.32 = 763,850.88 : x
  2. Step 2: Convert to fraction form
    1,408,433.28/1,943,632.32 = 763,850.88/x
  3. Step 3: Cross multiply
    1,408,433.28x = 1,943,632.32 × 763,850.88
  4. Step 4: Simplify right side
    1,408,433.28x = 1,484,645,258,028.44
  5. Step 5: Solve for x
    x = 1,484,645,258,028.44/1,408,433.28
  6. Step 6: Final answer
    x = 1,054,111.17

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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.