Home / 1,276,692.20-1,761,340.92-732,631.40

Finding the Fourth Proportional to 1,276,692.20, 1,761,340.92 and 732,631.40

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Solution

The fourth proportional to 1,276,692.20, 1,761,340.92 and 732,631.40 is: 1,010,747.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,692.20 : 1,761,340.92 = 732,631.40 : x
  2. Step 2: Convert to fraction form
    1,276,692.20/1,761,340.92 = 732,631.40/x
  3. Step 3: Cross multiply
    1,276,692.20x = 1,761,340.92 × 732,631.40
  4. Step 4: Simplify right side
    1,276,692.20x = 1,290,413,664,096.89
  5. Step 5: Solve for x
    x = 1,290,413,664,096.89/1,276,692.20
  6. Step 6: Final answer
    x = 1,010,747.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.