Home / 1,131,984.96-1,562,131.08-622,676.40

Finding the Fourth Proportional to 1,131,984.96, 1,562,131.08 and 622,676.40

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Solution

The fourth proportional to 1,131,984.96, 1,562,131.08 and 622,676.40 is: 859,288.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,984.96 : 1,562,131.08 = 622,676.40 : x
  2. Step 2: Convert to fraction form
    1,131,984.96/1,562,131.08 = 622,676.40/x
  3. Step 3: Cross multiply
    1,131,984.96x = 1,562,131.08 × 622,676.40
  4. Step 4: Simplify right side
    1,131,984.96x = 972,702,157,222.51
  5. Step 5: Solve for x
    x = 972,702,157,222.51/1,131,984.96
  6. Step 6: Final answer
    x = 859,288.94

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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.