Home / 1,130,519.72-1,558,558.30-901,853.12

Finding the Fourth Proportional to 1,130,519.72, 1,558,558.30 and 901,853.12

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Solution

The fourth proportional to 1,130,519.72, 1,558,558.30 and 901,853.12 is: 1,243,313.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,519.72 : 1,558,558.30 = 901,853.12 : x
  2. Step 2: Convert to fraction form
    1,130,519.72/1,558,558.30 = 901,853.12/x
  3. Step 3: Cross multiply
    1,130,519.72x = 1,558,558.30 × 901,853.12
  4. Step 4: Simplify right side
    1,130,519.72x = 1,405,590,665,556.90
  5. Step 5: Solve for x
    x = 1,405,590,665,556.90/1,130,519.72
  6. Step 6: Final answer
    x = 1,243,313.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.