Home / 1,554,413.20-2,331,619.80-889,632.40

Finding the Fourth Proportional to 1,554,413.20, 2,331,619.80 and 889,632.40

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Solution

The fourth proportional to 1,554,413.20, 2,331,619.80 and 889,632.40 is: 1,334,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,413.20 : 2,331,619.80 = 889,632.40 : x
  2. Step 2: Convert to fraction form
    1,554,413.20/2,331,619.80 = 889,632.40/x
  3. Step 3: Cross multiply
    1,554,413.20x = 2,331,619.80 × 889,632.40
  4. Step 4: Simplify right side
    1,554,413.20x = 2,074,284,518,561.52
  5. Step 5: Solve for x
    x = 2,074,284,518,561.52/1,554,413.20
  6. Step 6: Final answer
    x = 1,334,448.60

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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.