Home / 1,555,850.40-2,147,215.26-944,158.79

Finding the Fourth Proportional to 1,555,850.40, 2,147,215.26 and 944,158.79

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Solution

The fourth proportional to 1,555,850.40, 2,147,215.26 and 944,158.79 is: 1,303,025.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,850.40 : 2,147,215.26 = 944,158.79 : x
  2. Step 2: Convert to fraction form
    1,555,850.40/2,147,215.26 = 944,158.79/x
  3. Step 3: Cross multiply
    1,555,850.40x = 2,147,215.26 × 944,158.79
  4. Step 4: Simplify right side
    1,555,850.40x = 2,027,312,151,015.06
  5. Step 5: Solve for x
    x = 2,027,312,151,015.06/1,555,850.40
  6. Step 6: Final answer
    x = 1,303,025.12

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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.