Home / 1,680,099.88-2,520,145.08-417,927.64

Finding the Fourth Proportional to 1,680,099.88, 2,520,145.08 and 417,927.64

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Solution

The fourth proportional to 1,680,099.88, 2,520,145.08 and 417,927.64 is: 626,890.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,099.88 : 2,520,145.08 = 417,927.64 : x
  2. Step 2: Convert to fraction form
    1,680,099.88/2,520,145.08 = 417,927.64/x
  3. Step 3: Cross multiply
    1,680,099.88x = 2,520,145.08 × 417,927.64
  4. Step 4: Simplify right side
    1,680,099.88x = 1,053,238,285,742.01
  5. Step 5: Solve for x
    x = 1,053,238,285,742.01/1,680,099.88
  6. Step 6: Final answer
    x = 626,890.28

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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.