Home / 1,357,448.57-1,874,494.94-1,012,685.72

Finding the Fourth Proportional to 1,357,448.57, 1,874,494.94 and 1,012,685.72

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Solution

The fourth proportional to 1,357,448.57, 1,874,494.94 and 1,012,685.72 is: 1,398,413.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,448.57 : 1,874,494.94 = 1,012,685.72 : x
  2. Step 2: Convert to fraction form
    1,357,448.57/1,874,494.94 = 1,012,685.72/x
  3. Step 3: Cross multiply
    1,357,448.57x = 1,874,494.94 × 1,012,685.72
  4. Step 4: Simplify right side
    1,357,448.57x = 1,898,274,251,634.55
  5. Step 5: Solve for x
    x = 1,898,274,251,634.55/1,357,448.57
  6. Step 6: Final answer
    x = 1,398,413.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.