Home / 1,558,190.40-2,340,832.55-1,127,237.12

Finding the Fourth Proportional to 1,558,190.40, 2,340,832.55 and 1,127,237.12

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Solution

The fourth proportional to 1,558,190.40, 2,340,832.55 and 1,127,237.12 is: 1,693,421.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,190.40 : 2,340,832.55 = 1,127,237.12 : x
  2. Step 2: Convert to fraction form
    1,558,190.40/2,340,832.55 = 1,127,237.12/x
  3. Step 3: Cross multiply
    1,558,190.40x = 2,340,832.55 × 1,127,237.12
  4. Step 4: Simplify right side
    1,558,190.40x = 2,638,673,324,723.91
  5. Step 5: Solve for x
    x = 2,638,673,324,723.91/1,558,190.40
  6. Step 6: Final answer
    x = 1,693,421.63

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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.