Home / 1,382,830.72-2,074,245.54-436,275.52

Finding the Fourth Proportional to 1,382,830.72, 2,074,245.54 and 436,275.52

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Solution

The fourth proportional to 1,382,830.72, 2,074,245.54 and 436,275.52 is: 654,413.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,830.72 : 2,074,245.54 = 436,275.52 : x
  2. Step 2: Convert to fraction form
    1,382,830.72/2,074,245.54 = 436,275.52/x
  3. Step 3: Cross multiply
    1,382,830.72x = 2,074,245.54 × 436,275.52
  4. Step 4: Simplify right side
    1,382,830.72x = 904,942,551,571.18
  5. Step 5: Solve for x
    x = 904,942,551,571.18/1,382,830.72
  6. Step 6: Final answer
    x = 654,413.11

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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.