Home / 1,372,507.57-2,059,020.41-519,834.54

Finding the Fourth Proportional to 1,372,507.57, 2,059,020.41 and 519,834.54

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Solution

The fourth proportional to 1,372,507.57, 2,059,020.41 and 519,834.54 is: 779,849.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,507.57 : 2,059,020.41 = 519,834.54 : x
  2. Step 2: Convert to fraction form
    1,372,507.57/2,059,020.41 = 519,834.54/x
  3. Step 3: Cross multiply
    1,372,507.57x = 2,059,020.41 × 519,834.54
  4. Step 4: Simplify right side
    1,372,507.57x = 1,070,349,927,682.96
  5. Step 5: Solve for x
    x = 1,070,349,927,682.96/1,372,507.57
  6. Step 6: Final answer
    x = 779,849.93

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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.