Home / 1,456,660.80-2,184,116.40-748,072.80

Finding the Fourth Proportional to 1,456,660.80, 2,184,116.40 and 748,072.80

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Solution

The fourth proportional to 1,456,660.80, 2,184,116.40 and 748,072.80 is: 1,121,659.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,660.80 : 2,184,116.40 = 748,072.80 : x
  2. Step 2: Convert to fraction form
    1,456,660.80/2,184,116.40 = 748,072.80/x
  3. Step 3: Cross multiply
    1,456,660.80x = 2,184,116.40 × 748,072.80
  4. Step 4: Simplify right side
    1,456,660.80x = 1,633,878,070,873.92
  5. Step 5: Solve for x
    x = 1,633,878,070,873.92/1,456,660.80
  6. Step 6: Final answer
    x = 1,121,659.94

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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.