Home / 1,185,718.52-1,778,571.83-287,160.23

Finding the Fourth Proportional to 1,185,718.52, 1,778,571.83 and 287,160.23

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Solution

The fourth proportional to 1,185,718.52, 1,778,571.83 and 287,160.23 is: 430,738.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,718.52 : 1,778,571.83 = 287,160.23 : x
  2. Step 2: Convert to fraction form
    1,185,718.52/1,778,571.83 = 287,160.23/x
  3. Step 3: Cross multiply
    1,185,718.52x = 1,778,571.83 × 287,160.23
  4. Step 4: Simplify right side
    1,185,718.52x = 510,735,100,938.65
  5. Step 5: Solve for x
    x = 510,735,100,938.65/1,185,718.52
  6. Step 6: Final answer
    x = 430,738.91

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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.