Home / 1,313,440.20-1,971,035.10-603,102.60

Finding the Fourth Proportional to 1,313,440.20, 1,971,035.10 and 603,102.60

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Solution

The fourth proportional to 1,313,440.20, 1,971,035.10 and 603,102.60 is: 905,055.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,440.20 : 1,971,035.10 = 603,102.60 : x
  2. Step 2: Convert to fraction form
    1,313,440.20/1,971,035.10 = 603,102.60/x
  3. Step 3: Cross multiply
    1,313,440.20x = 1,971,035.10 × 603,102.60
  4. Step 4: Simplify right side
    1,313,440.20x = 1,188,736,393,501.26
  5. Step 5: Solve for x
    x = 1,188,736,393,501.26/1,313,440.20
  6. Step 6: Final answer
    x = 905,055.59

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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.