Home / 1,550,652.72-2,325,979.68-485,777.51

Finding the Fourth Proportional to 1,550,652.72, 2,325,979.68 and 485,777.51

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Solution

The fourth proportional to 1,550,652.72, 2,325,979.68 and 485,777.51 is: 728,666.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,652.72 : 2,325,979.68 = 485,777.51 : x
  2. Step 2: Convert to fraction form
    1,550,652.72/2,325,979.68 = 485,777.51/x
  3. Step 3: Cross multiply
    1,550,652.72x = 2,325,979.68 × 485,777.51
  4. Step 4: Simplify right side
    1,550,652.72x = 1,129,908,619,082.66
  5. Step 5: Solve for x
    x = 1,129,908,619,082.66/1,550,652.72
  6. Step 6: Final answer
    x = 728,666.46

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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.