Home / 1,680,049.66-2,520,069.69-417,877.28

Finding the Fourth Proportional to 1,680,049.66, 2,520,069.69 and 417,877.28

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Solution

The fourth proportional to 1,680,049.66, 2,520,069.69 and 417,877.28 is: 626,814.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,049.66 : 2,520,069.69 = 417,877.28 : x
  2. Step 2: Convert to fraction form
    1,680,049.66/2,520,069.69 = 417,877.28/x
  3. Step 3: Cross multiply
    1,680,049.66x = 2,520,069.69 × 417,877.28
  4. Step 4: Simplify right side
    1,680,049.66x = 1,053,079,867,467.64
  5. Step 5: Solve for x
    x = 1,053,079,867,467.64/1,680,049.66
  6. Step 6: Final answer
    x = 626,814.73

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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.