Home / 1,274,690.57-1,913,217.03-644,047.25

Finding the Fourth Proportional to 1,274,690.57, 1,913,217.03 and 644,047.25

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Solution

The fourth proportional to 1,274,690.57, 1,913,217.03 and 644,047.25 is: 966,667.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,690.57 : 1,913,217.03 = 644,047.25 : x
  2. Step 2: Convert to fraction form
    1,274,690.57/1,913,217.03 = 644,047.25/x
  3. Step 3: Cross multiply
    1,274,690.57x = 1,913,217.03 × 644,047.25
  4. Step 4: Simplify right side
    1,274,690.57x = 1,232,202,157,258.58
  5. Step 5: Solve for x
    x = 1,232,202,157,258.58/1,274,690.57
  6. Step 6: Final answer
    x = 966,667.67

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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.