Home / 1,313,431.58-1,970,259.16-414,632.90

Finding the Fourth Proportional to 1,313,431.58, 1,970,259.16 and 414,632.90

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Solution

The fourth proportional to 1,313,431.58, 1,970,259.16 and 414,632.90 is: 621,984.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,431.58 : 1,970,259.16 = 414,632.90 : x
  2. Step 2: Convert to fraction form
    1,313,431.58/1,970,259.16 = 414,632.90/x
  3. Step 3: Cross multiply
    1,313,431.58x = 1,970,259.16 × 414,632.90
  4. Step 4: Simplify right side
    1,313,431.58x = 816,934,269,262.36
  5. Step 5: Solve for x
    x = 816,934,269,262.36/1,313,431.58
  6. Step 6: Final answer
    x = 621,984.64

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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.