Home / 729,009.80-1,091,546.40-729,009.80

Finding the Fourth Proportional to 729,009.80, 1,091,546.40 and 729,009.80

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Solution

The fourth proportional to 729,009.80, 1,091,546.40 and 729,009.80 is: 1,091,546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,009.80 : 1,091,546.40 = 729,009.80 : x
  2. Step 2: Convert to fraction form
    729,009.80/1,091,546.40 = 729,009.80/x
  3. Step 3: Cross multiply
    729,009.80x = 1,091,546.40 × 729,009.80
  4. Step 4: Simplify right side
    729,009.80x = 795,748,022,754.72
  5. Step 5: Solve for x
    x = 795,748,022,754.72/729,009.80
  6. Step 6: Final answer
    x = 1,091,546.40

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1.5x scale

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.