Home / 1,195,280.70-1,793,941.65-485,817.90

Finding the Fourth Proportional to 1,195,280.70, 1,793,941.65 and 485,817.90

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Solution

The fourth proportional to 1,195,280.70, 1,793,941.65 and 485,817.90 is: 729,141.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,280.70 : 1,793,941.65 = 485,817.90 : x
  2. Step 2: Convert to fraction form
    1,195,280.70/1,793,941.65 = 485,817.90/x
  3. Step 3: Cross multiply
    1,195,280.70x = 1,793,941.65 × 485,817.90
  4. Step 4: Simplify right side
    1,195,280.70x = 871,528,965,125.54
  5. Step 5: Solve for x
    x = 871,528,965,125.54/1,195,280.70
  6. Step 6: Final answer
    x = 729,141.67

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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.