Home / 1,748,986.40-2,617,258.80-1,213,997.60

Finding the Fourth Proportional to 1,748,986.40, 2,617,258.80 and 1,213,997.60

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Solution

The fourth proportional to 1,748,986.40, 2,617,258.80 and 1,213,997.60 is: 1,816,678.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748,986.40 : 2,617,258.80 = 1,213,997.60 : x
  2. Step 2: Convert to fraction form
    1,748,986.40/2,617,258.80 = 1,213,997.60/x
  3. Step 3: Cross multiply
    1,748,986.40x = 2,617,258.80 × 1,213,997.60
  4. Step 4: Simplify right side
    1,748,986.40x = 3,177,345,901,778.88
  5. Step 5: Solve for x
    x = 3,177,345,901,778.88/1,748,986.40
  6. Step 6: Final answer
    x = 1,816,678.45

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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.