Home / 1,226,413.87-1,692,451.16-682,678.10

Finding the Fourth Proportional to 1,226,413.87, 1,692,451.16 and 682,678.10

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Solution

The fourth proportional to 1,226,413.87, 1,692,451.16 and 682,678.10 is: 942,095.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,413.87 : 1,692,451.16 = 682,678.10 : x
  2. Step 2: Convert to fraction form
    1,226,413.87/1,692,451.16 = 682,678.10/x
  3. Step 3: Cross multiply
    1,226,413.87x = 1,692,451.16 × 682,678.10
  4. Step 4: Simplify right side
    1,226,413.87x = 1,155,399,350,889.47
  5. Step 5: Solve for x
    x = 1,155,399,350,889.47/1,226,413.87
  6. Step 6: Final answer
    x = 942,095.80

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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.