Home / 871,663.77-1,200,115.31-743,826.33

Finding the Fourth Proportional to 871,663.77, 1,200,115.31 and 743,826.33

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Solution

The fourth proportional to 871,663.77, 1,200,115.31 and 743,826.33 is: 1,024,107.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,663.77 : 1,200,115.31 = 743,826.33 : x
  2. Step 2: Convert to fraction form
    871,663.77/1,200,115.31 = 743,826.33/x
  3. Step 3: Cross multiply
    871,663.77x = 1,200,115.31 × 743,826.33
  4. Step 4: Simplify right side
    871,663.77x = 892,677,362,894.98
  5. Step 5: Solve for x
    x = 892,677,362,894.98/871,663.77
  6. Step 6: Final answer
    x = 1,024,107.45

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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.