Home / 1,262,769.32-1,894,624.55-757,692.80

Finding the Fourth Proportional to 1,262,769.32, 1,894,624.55 and 757,692.80

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Solution

The fourth proportional to 1,262,769.32, 1,894,624.55 and 757,692.80 is: 1,136,821.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,769.32 : 1,894,624.55 = 757,692.80 : x
  2. Step 2: Convert to fraction form
    1,262,769.32/1,894,624.55 = 757,692.80/x
  3. Step 3: Cross multiply
    1,262,769.32x = 1,894,624.55 × 757,692.80
  4. Step 4: Simplify right side
    1,262,769.32x = 1,435,543,376,449.78
  5. Step 5: Solve for x
    x = 1,435,543,376,449.78/1,262,769.32
  6. Step 6: Final answer
    x = 1,136,821.56

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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.