Home / 1,267,336.98-1,900,989-307,800.45

Finding the Fourth Proportional to 1,267,336.98, 1,900,989 and 307,800.45

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Solution

The fourth proportional to 1,267,336.98, 1,900,989 and 307,800.45 is: 461,696.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,336.98 : 1,900,989 = 307,800.45 : x
  2. Step 2: Convert to fraction form
    1,267,336.98/1,900,989 = 307,800.45/x
  3. Step 3: Cross multiply
    1,267,336.98x = 1,900,989 × 307,800.45
  4. Step 4: Simplify right side
    1,267,336.98x = 585,125,269,645.05
  5. Step 5: Solve for x
    x = 585,125,269,645.05/1,267,336.98
  6. Step 6: Final answer
    x = 461,696.67

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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.