Home / 1,230,468.80-1,845,692.08-389,020.80

Finding the Fourth Proportional to 1,230,468.80, 1,845,692.08 and 389,020.80

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Solution

The fourth proportional to 1,230,468.80, 1,845,692.08 and 389,020.80 is: 583,527.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,468.80 : 1,845,692.08 = 389,020.80 : x
  2. Step 2: Convert to fraction form
    1,230,468.80/1,845,692.08 = 389,020.80/x
  3. Step 3: Cross multiply
    1,230,468.80x = 1,845,692.08 × 389,020.80
  4. Step 4: Simplify right side
    1,230,468.80x = 718,012,609,515.26
  5. Step 5: Solve for x
    x = 718,012,609,515.26/1,230,468.80
  6. Step 6: Final answer
    x = 583,527.68

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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.