Home / 1,685,056.24-2,325,413.64-921,180.88

Finding the Fourth Proportional to 1,685,056.24, 2,325,413.64 and 921,180.88

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Solution

The fourth proportional to 1,685,056.24, 2,325,413.64 and 921,180.88 is: 1,271,249.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,056.24 : 2,325,413.64 = 921,180.88 : x
  2. Step 2: Convert to fraction form
    1,685,056.24/2,325,413.64 = 921,180.88/x
  3. Step 3: Cross multiply
    1,685,056.24x = 2,325,413.64 × 921,180.88
  4. Step 4: Simplify right side
    1,685,056.24x = 2,142,126,583,259.20
  5. Step 5: Solve for x
    x = 2,142,126,583,259.20/1,685,056.24
  6. Step 6: Final answer
    x = 1,271,249.31

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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.