Home / 1,374,577.70-2,061,924.87-427,966.34

Finding the Fourth Proportional to 1,374,577.70, 2,061,924.87 and 427,966.34

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Solution

The fourth proportional to 1,374,577.70, 2,061,924.87 and 427,966.34 is: 641,967.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,577.70 : 2,061,924.87 = 427,966.34 : x
  2. Step 2: Convert to fraction form
    1,374,577.70/2,061,924.87 = 427,966.34/x
  3. Step 3: Cross multiply
    1,374,577.70x = 2,061,924.87 × 427,966.34
  4. Step 4: Simplify right side
    1,374,577.70x = 882,434,439,968.88
  5. Step 5: Solve for x
    x = 882,434,439,968.88/1,374,577.70
  6. Step 6: Final answer
    x = 641,967.67

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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.