Home / 1,728,820.80-2,592,064.80-830,692.80

Finding the Fourth Proportional to 1,728,820.80, 2,592,064.80 and 830,692.80

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Solution

The fourth proportional to 1,728,820.80, 2,592,064.80 and 830,692.80 is: 1,245,478.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,820.80 : 2,592,064.80 = 830,692.80 : x
  2. Step 2: Convert to fraction form
    1,728,820.80/2,592,064.80 = 830,692.80/x
  3. Step 3: Cross multiply
    1,728,820.80x = 2,592,064.80 × 830,692.80
  4. Step 4: Simplify right side
    1,728,820.80x = 2,153,209,566,493.44
  5. Step 5: Solve for x
    x = 2,153,209,566,493.44/1,728,820.80
  6. Step 6: Final answer
    x = 1,245,478.75

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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.