Home / 1,377,367.70-2,064,868.26-478,692.68

Finding the Fourth Proportional to 1,377,367.70, 2,064,868.26 and 478,692.68

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Solution

The fourth proportional to 1,377,367.70, 2,064,868.26 and 478,692.68 is: 717,627.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,367.70 : 2,064,868.26 = 478,692.68 : x
  2. Step 2: Convert to fraction form
    1,377,367.70/2,064,868.26 = 478,692.68/x
  3. Step 3: Cross multiply
    1,377,367.70x = 2,064,868.26 × 478,692.68
  4. Step 4: Simplify right side
    1,377,367.70x = 988,437,310,902.00
  5. Step 5: Solve for x
    x = 988,437,310,902.00/1,377,367.70
  6. Step 6: Final answer
    x = 717,627.77

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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.