Home / 1,391,712.37-2,084,024.70-916,958.41

Finding the Fourth Proportional to 1,391,712.37, 2,084,024.70 and 916,958.41

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Solution

The fourth proportional to 1,391,712.37, 2,084,024.70 and 916,958.41 is: 1,373,102.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,712.37 : 2,084,024.70 = 916,958.41 : x
  2. Step 2: Convert to fraction form
    1,391,712.37/2,084,024.70 = 916,958.41/x
  3. Step 3: Cross multiply
    1,391,712.37x = 2,084,024.70 × 916,958.41
  4. Step 4: Simplify right side
    1,391,712.37x = 1,910,963,970,102.67
  5. Step 5: Solve for x
    x = 1,910,963,970,102.67/1,391,712.37
  6. Step 6: Final answer
    x = 1,373,102.67

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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.