Home / 1,216,765.46-1,825,190.58-418,041.20

Finding the Fourth Proportional to 1,216,765.46, 1,825,190.58 and 418,041.20

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Solution

The fourth proportional to 1,216,765.46, 1,825,190.58 and 418,041.20 is: 627,076.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,765.46 : 1,825,190.58 = 418,041.20 : x
  2. Step 2: Convert to fraction form
    1,216,765.46/1,825,190.58 = 418,041.20/x
  3. Step 3: Cross multiply
    1,216,765.46x = 1,825,190.58 × 418,041.20
  4. Step 4: Simplify right side
    1,216,765.46x = 763,004,860,291.90
  5. Step 5: Solve for x
    x = 763,004,860,291.90/1,216,765.46
  6. Step 6: Final answer
    x = 627,076.36

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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.