Home / 1,493,693.40-2,240,536.66-640,211.64

Finding the Fourth Proportional to 1,493,693.40, 2,240,536.66 and 640,211.64

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Solution

The fourth proportional to 1,493,693.40, 2,240,536.66 and 640,211.64 is: 960,315.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,693.40 : 2,240,536.66 = 640,211.64 : x
  2. Step 2: Convert to fraction form
    1,493,693.40/2,240,536.66 = 640,211.64/x
  3. Step 3: Cross multiply
    1,493,693.40x = 2,240,536.66 × 640,211.64
  4. Step 4: Simplify right side
    1,493,693.40x = 1,434,417,647,978.19
  5. Step 5: Solve for x
    x = 1,434,417,647,978.19/1,493,693.40
  6. Step 6: Final answer
    x = 960,315.98

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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.