Home / 1,396,413.10-2,094,619.65-918,116.20

Finding the Fourth Proportional to 1,396,413.10, 2,094,619.65 and 918,116.20

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Solution

The fourth proportional to 1,396,413.10, 2,094,619.65 and 918,116.20 is: 1,377,174.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,413.10 : 2,094,619.65 = 918,116.20 : x
  2. Step 2: Convert to fraction form
    1,396,413.10/2,094,619.65 = 918,116.20/x
  3. Step 3: Cross multiply
    1,396,413.10x = 2,094,619.65 × 918,116.20
  4. Step 4: Simplify right side
    1,396,413.10x = 1,923,104,233,503.33
  5. Step 5: Solve for x
    x = 1,923,104,233,503.33/1,396,413.10
  6. Step 6: Final answer
    x = 1,377,174.30

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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.