Home / 1,354,363.74-1,867,728.78-810,413.10

Finding the Fourth Proportional to 1,354,363.74, 1,867,728.78 and 810,413.10

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Solution

The fourth proportional to 1,354,363.74, 1,867,728.78 and 810,413.10 is: 1,117,596.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,363.74 : 1,867,728.78 = 810,413.10 : x
  2. Step 2: Convert to fraction form
    1,354,363.74/1,867,728.78 = 810,413.10/x
  3. Step 3: Cross multiply
    1,354,363.74x = 1,867,728.78 × 810,413.10
  4. Step 4: Simplify right side
    1,354,363.74x = 1,513,631,870,559.02
  5. Step 5: Solve for x
    x = 1,513,631,870,559.02/1,354,363.74
  6. Step 6: Final answer
    x = 1,117,596.27

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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.