Home / 1,422,357.07-2,133,180.43-557,967.68

Finding the Fourth Proportional to 1,422,357.07, 2,133,180.43 and 557,967.68

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Solution

The fourth proportional to 1,422,357.07, 2,133,180.43 and 557,967.68 is: 836,812.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,357.07 : 2,133,180.43 = 557,967.68 : x
  2. Step 2: Convert to fraction form
    1,422,357.07/2,133,180.43 = 557,967.68/x
  3. Step 3: Cross multiply
    1,422,357.07x = 2,133,180.43 × 557,967.68
  4. Step 4: Simplify right side
    1,422,357.07x = 1,190,245,733,579.49
  5. Step 5: Solve for x
    x = 1,190,245,733,579.49/1,422,357.07
  6. Step 6: Final answer
    x = 836,812.19

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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.