Home / 1,178,855.09-1,768,968.80-495,692.57

Finding the Fourth Proportional to 1,178,855.09, 1,768,968.80 and 495,692.57

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Solution

The fourth proportional to 1,178,855.09, 1,768,968.80 and 495,692.57 is: 743,827.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,855.09 : 1,768,968.80 = 495,692.57 : x
  2. Step 2: Convert to fraction form
    1,178,855.09/1,768,968.80 = 495,692.57/x
  3. Step 3: Cross multiply
    1,178,855.09x = 1,768,968.80 × 495,692.57
  4. Step 4: Simplify right side
    1,178,855.09x = 876,864,683,116.20
  5. Step 5: Solve for x
    x = 876,864,683,116.20/1,178,855.09
  6. Step 6: Final answer
    x = 743,827.37

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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.