Home / 1,271,716-1,907,869.40-373,121.44

Finding the Fourth Proportional to 1,271,716, 1,907,869.40 and 373,121.44

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Solution

The fourth proportional to 1,271,716, 1,907,869.40 and 373,121.44 is: 559,768.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,716 : 1,907,869.40 = 373,121.44 : x
  2. Step 2: Convert to fraction form
    1,271,716/1,907,869.40 = 373,121.44/x
  3. Step 3: Cross multiply
    1,271,716x = 1,907,869.40 × 373,121.44
  4. Step 4: Simplify right side
    1,271,716x = 711,866,977,859.94
  5. Step 5: Solve for x
    x = 711,866,977,859.94/1,271,716
  6. Step 6: Final answer
    x = 559,768.83

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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.