Home / 1,993,254.60-2,990,317.95-645,553.43

Finding the Fourth Proportional to 1,993,254.60, 2,990,317.95 and 645,553.43

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Solution

The fourth proportional to 1,993,254.60, 2,990,317.95 and 645,553.43 is: 968,471.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,254.60 : 2,990,317.95 = 645,553.43 : x
  2. Step 2: Convert to fraction form
    1,993,254.60/2,990,317.95 = 645,553.43/x
  3. Step 3: Cross multiply
    1,993,254.60x = 2,990,317.95 × 645,553.43
  4. Step 4: Simplify right side
    1,993,254.60x = 1,930,410,009,413.07
  5. Step 5: Solve for x
    x = 1,930,410,009,413.07/1,993,254.60
  6. Step 6: Final answer
    x = 968,471.37

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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.