Home / 1,151,090.85-1,724,981.03-791,667.54

Finding the Fourth Proportional to 1,151,090.85, 1,724,981.03 and 791,667.54

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Solution

The fourth proportional to 1,151,090.85, 1,724,981.03 and 791,667.54 is: 1,186,362.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,090.85 : 1,724,981.03 = 791,667.54 : x
  2. Step 2: Convert to fraction form
    1,151,090.85/1,724,981.03 = 791,667.54/x
  3. Step 3: Cross multiply
    1,151,090.85x = 1,724,981.03 × 791,667.54
  4. Step 4: Simplify right side
    1,151,090.85x = 1,365,611,487,577.18
  5. Step 5: Solve for x
    x = 1,365,611,487,577.18/1,151,090.85
  6. Step 6: Final answer
    x = 1,186,362.90

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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.