Home / 1,364,792.49-2,047,010.85-405,228.83

Finding the Fourth Proportional to 1,364,792.49, 2,047,010.85 and 405,228.83

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Solution

The fourth proportional to 1,364,792.49, 2,047,010.85 and 405,228.83 is: 607,790.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,792.49 : 2,047,010.85 = 405,228.83 : x
  2. Step 2: Convert to fraction form
    1,364,792.49/2,047,010.85 = 405,228.83/x
  3. Step 3: Cross multiply
    1,364,792.49x = 2,047,010.85 × 405,228.83
  4. Step 4: Simplify right side
    1,364,792.49x = 829,507,801,507.75
  5. Step 5: Solve for x
    x = 829,507,801,507.75/1,364,792.49
  6. Step 6: Final answer
    x = 607,790.42

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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.