Home / 1,355,713.92-1,869,182.94-992,507.22

Finding the Fourth Proportional to 1,355,713.92, 1,869,182.94 and 992,507.22

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Solution

The fourth proportional to 1,355,713.92, 1,869,182.94 and 992,507.22 is: 1,368,413.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,713.92 : 1,869,182.94 = 992,507.22 : x
  2. Step 2: Convert to fraction form
    1,355,713.92/1,869,182.94 = 992,507.22/x
  3. Step 3: Cross multiply
    1,355,713.92x = 1,869,182.94 × 992,507.22
  4. Step 4: Simplify right side
    1,355,713.92x = 1,855,177,563,450.83
  5. Step 5: Solve for x
    x = 1,855,177,563,450.83/1,355,713.92
  6. Step 6: Final answer
    x = 1,368,413.75

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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.