Home / 1,270,692.06-1,903,111.29-764,141.82

Finding the Fourth Proportional to 1,270,692.06, 1,903,111.29 and 764,141.82

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Solution

The fourth proportional to 1,270,692.06, 1,903,111.29 and 764,141.82 is: 1,144,452.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,692.06 : 1,903,111.29 = 764,141.82 : x
  2. Step 2: Convert to fraction form
    1,270,692.06/1,903,111.29 = 764,141.82/x
  3. Step 3: Cross multiply
    1,270,692.06x = 1,903,111.29 × 764,141.82
  4. Step 4: Simplify right side
    1,270,692.06x = 1,454,246,924,803.15
  5. Step 5: Solve for x
    x = 1,454,246,924,803.15/1,270,692.06
  6. Step 6: Final answer
    x = 1,144,452.67

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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.