Home / 1,225,563.66-1,838,448.38-372,642.71

Finding the Fourth Proportional to 1,225,563.66, 1,838,448.38 and 372,642.71

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Solution

The fourth proportional to 1,225,563.66, 1,838,448.38 and 372,642.71 is: 558,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,563.66 : 1,838,448.38 = 372,642.71 : x
  2. Step 2: Convert to fraction form
    1,225,563.66/1,838,448.38 = 372,642.71/x
  3. Step 3: Cross multiply
    1,225,563.66x = 1,838,448.38 × 372,642.71
  4. Step 4: Simplify right side
    1,225,563.66x = 685,084,378,257.68
  5. Step 5: Solve for x
    x = 685,084,378,257.68/1,225,563.66
  6. Step 6: Final answer
    x = 558,995.34

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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.