Home / 1,181,989.80-1,772,328.60-471,214.80

Finding the Fourth Proportional to 1,181,989.80, 1,772,328.60 and 471,214.80

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Solution

The fourth proportional to 1,181,989.80, 1,772,328.60 and 471,214.80 is: 706,560.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,989.80 : 1,772,328.60 = 471,214.80 : x
  2. Step 2: Convert to fraction form
    1,181,989.80/1,772,328.60 = 471,214.80/x
  3. Step 3: Cross multiply
    1,181,989.80x = 1,772,328.60 × 471,214.80
  4. Step 4: Simplify right side
    1,181,989.80x = 835,147,466,783.28
  5. Step 5: Solve for x
    x = 835,147,466,783.28/1,181,989.80
  6. Step 6: Final answer
    x = 706,560.64

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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.