Home / 1,149,630.60-1,723,626.70-439,384.20

Finding the Fourth Proportional to 1,149,630.60, 1,723,626.70 and 439,384.20

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Solution

The fourth proportional to 1,149,630.60, 1,723,626.70 and 439,384.20 is: 658,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,630.60 : 1,723,626.70 = 439,384.20 : x
  2. Step 2: Convert to fraction form
    1,149,630.60/1,723,626.70 = 439,384.20/x
  3. Step 3: Cross multiply
    1,149,630.60x = 1,723,626.70 × 439,384.20
  4. Step 4: Simplify right side
    1,149,630.60x = 757,334,338,678.14
  5. Step 5: Solve for x
    x = 757,334,338,678.14/1,149,630.60
  6. Step 6: Final answer
    x = 658,763.21

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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.