Home / 1,428,039.14-2,142,413.24-708,718.44

Finding the Fourth Proportional to 1,428,039.14, 2,142,413.24 and 708,718.44

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Solution

The fourth proportional to 1,428,039.14, 2,142,413.24 and 708,718.44 is: 1,063,253.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,039.14 : 2,142,413.24 = 708,718.44 : x
  2. Step 2: Convert to fraction form
    1,428,039.14/2,142,413.24 = 708,718.44/x
  3. Step 3: Cross multiply
    1,428,039.14x = 2,142,413.24 × 708,718.44
  4. Step 4: Simplify right side
    1,428,039.14x = 1,518,367,771,059.94
  5. Step 5: Solve for x
    x = 1,518,367,771,059.94/1,428,039.14
  6. Step 6: Final answer
    x = 1,063,253.61

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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.