Home / 1,126,893.72-1,688,087.16-677,370.72

Finding the Fourth Proportional to 1,126,893.72, 1,688,087.16 and 677,370.72

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Solution

The fourth proportional to 1,126,893.72, 1,688,087.16 and 677,370.72 is: 1,014,701.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,893.72 : 1,688,087.16 = 677,370.72 : x
  2. Step 2: Convert to fraction form
    1,126,893.72/1,688,087.16 = 677,370.72/x
  3. Step 3: Cross multiply
    1,126,893.72x = 1,688,087.16 × 677,370.72
  4. Step 4: Simplify right side
    1,126,893.72x = 1,143,460,814,991.96
  5. Step 5: Solve for x
    x = 1,143,460,814,991.96/1,126,893.72
  6. Step 6: Final answer
    x = 1,014,701.56

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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.