Home / 681,954.15-1,021,602.60-415,052.67

Finding the Fourth Proportional to 681,954.15, 1,021,602.60 and 415,052.67

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Solution

The fourth proportional to 681,954.15, 1,021,602.60 and 415,052.67 is: 621,770.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,954.15 : 1,021,602.60 = 415,052.67 : x
  2. Step 2: Convert to fraction form
    681,954.15/1,021,602.60 = 415,052.67/x
  3. Step 3: Cross multiply
    681,954.15x = 1,021,602.60 × 415,052.67
  4. Step 4: Simplify right side
    681,954.15x = 424,018,886,808.94
  5. Step 5: Solve for x
    x = 424,018,886,808.94/681,954.15
  6. Step 6: Final answer
    x = 621,770.37

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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.