Home / 1,680,021.96-2,520,028.16-417,849.59

Finding the Fourth Proportional to 1,680,021.96, 2,520,028.16 and 417,849.59

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Solution

The fourth proportional to 1,680,021.96, 2,520,028.16 and 417,849.59 is: 626,773.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,021.96 : 2,520,028.16 = 417,849.59 : x
  2. Step 2: Convert to fraction form
    1,680,021.96/2,520,028.16 = 417,849.59/x
  3. Step 3: Cross multiply
    1,680,021.96x = 2,520,028.16 × 417,849.59
  4. Step 4: Simplify right side
    1,680,021.96x = 1,052,992,725,047.05
  5. Step 5: Solve for x
    x = 1,052,992,725,047.05/1,680,021.96
  6. Step 6: Final answer
    x = 626,773.19

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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.