Home / 1,379,737.33-2,069,606.57-620,692.20

Finding the Fourth Proportional to 1,379,737.33, 2,069,606.57 and 620,692.20

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Solution

The fourth proportional to 1,379,737.33, 2,069,606.57 and 620,692.20 is: 931,038.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,737.33 : 2,069,606.57 = 620,692.20 : x
  2. Step 2: Convert to fraction form
    1,379,737.33/2,069,606.57 = 620,692.20/x
  3. Step 3: Cross multiply
    1,379,737.33x = 2,069,606.57 × 620,692.20
  4. Step 4: Simplify right side
    1,379,737.33x = 1,284,588,651,964.29
  5. Step 5: Solve for x
    x = 1,284,588,651,964.29/1,379,737.33
  6. Step 6: Final answer
    x = 931,038.56

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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.