Home / 1,680,442.64-2,520,651-418,261.76

Finding the Fourth Proportional to 1,680,442.64, 2,520,651 and 418,261.76

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Solution

The fourth proportional to 1,680,442.64, 2,520,651 and 418,261.76 is: 627,389.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,442.64 : 2,520,651 = 418,261.76 : x
  2. Step 2: Convert to fraction form
    1,680,442.64/2,520,651 = 418,261.76/x
  3. Step 3: Cross multiply
    1,680,442.64x = 2,520,651 × 418,261.76
  4. Step 4: Simplify right side
    1,680,442.64x = 1,054,291,923,605.76
  5. Step 5: Solve for x
    x = 1,054,291,923,605.76/1,680,442.64
  6. Step 6: Final answer
    x = 627,389.41

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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.