Home / 1,449,413.20-2,174,119.80-910,536.40

Finding the Fourth Proportional to 1,449,413.20, 2,174,119.80 and 910,536.40

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Solution

The fourth proportional to 1,449,413.20, 2,174,119.80 and 910,536.40 is: 1,365,804.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,413.20 : 2,174,119.80 = 910,536.40 : x
  2. Step 2: Convert to fraction form
    1,449,413.20/2,174,119.80 = 910,536.40/x
  3. Step 3: Cross multiply
    1,449,413.20x = 2,174,119.80 × 910,536.40
  4. Step 4: Simplify right side
    1,449,413.20x = 1,979,615,215,860.72
  5. Step 5: Solve for x
    x = 1,979,615,215,860.72/1,449,413.20
  6. Step 6: Final answer
    x = 1,365,804.60

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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.