Home / 1,265,778.81-1,746,586.92-768,804.27

Finding the Fourth Proportional to 1,265,778.81, 1,746,586.92 and 768,804.27

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Solution

The fourth proportional to 1,265,778.81, 1,746,586.92 and 768,804.27 is: 1,060,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,778.81 : 1,746,586.92 = 768,804.27 : x
  2. Step 2: Convert to fraction form
    1,265,778.81/1,746,586.92 = 768,804.27/x
  3. Step 3: Cross multiply
    1,265,778.81x = 1,746,586.92 × 768,804.27
  4. Step 4: Simplify right side
    1,265,778.81x = 1,342,783,482,022.15
  5. Step 5: Solve for x
    x = 1,342,783,482,022.15/1,265,778.81
  6. Step 6: Final answer
    x = 1,060,835.80

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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.