Home / 1,172,038.76-1,756,859.32-792,999.54

Finding the Fourth Proportional to 1,172,038.76, 1,756,859.32 and 792,999.54

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Solution

The fourth proportional to 1,172,038.76, 1,756,859.32 and 792,999.54 is: 1,188,688.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,038.76 : 1,756,859.32 = 792,999.54 : x
  2. Step 2: Convert to fraction form
    1,172,038.76/1,756,859.32 = 792,999.54/x
  3. Step 3: Cross multiply
    1,172,038.76x = 1,756,859.32 × 792,999.54
  4. Step 4: Simplify right side
    1,172,038.76x = 1,393,188,630,622.21
  5. Step 5: Solve for x
    x = 1,393,188,630,622.21/1,172,038.76
  6. Step 6: Final answer
    x = 1,188,688.19

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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.