Home / 1,228,117.98-1,840,140.39-746,890.23

Finding the Fourth Proportional to 1,228,117.98, 1,840,140.39 and 746,890.23

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Solution

The fourth proportional to 1,228,117.98, 1,840,140.39 and 746,890.23 is: 1,119,096.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,117.98 : 1,840,140.39 = 746,890.23 : x
  2. Step 2: Convert to fraction form
    1,228,117.98/1,840,140.39 = 746,890.23/x
  3. Step 3: Cross multiply
    1,228,117.98x = 1,840,140.39 × 746,890.23
  4. Step 4: Simplify right side
    1,228,117.98x = 1,374,382,879,119.39
  5. Step 5: Solve for x
    x = 1,374,382,879,119.39/1,228,117.98
  6. Step 6: Final answer
    x = 1,119,096.78

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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.