Home / 1,959,942.50-2,939,913.75-630,246.50

Finding the Fourth Proportional to 1,959,942.50, 2,939,913.75 and 630,246.50

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Solution

The fourth proportional to 1,959,942.50, 2,939,913.75 and 630,246.50 is: 945,369.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959,942.50 : 2,939,913.75 = 630,246.50 : x
  2. Step 2: Convert to fraction form
    1,959,942.50/2,939,913.75 = 630,246.50/x
  3. Step 3: Cross multiply
    1,959,942.50x = 2,939,913.75 × 630,246.50
  4. Step 4: Simplify right side
    1,959,942.50x = 1,852,870,351,239.38
  5. Step 5: Solve for x
    x = 1,852,870,351,239.38/1,959,942.50
  6. Step 6: Final answer
    x = 945,369.75

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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.