Home / 1,118,114.40-1,677,171.60-1,020,136.80

Finding the Fourth Proportional to 1,118,114.40, 1,677,171.60 and 1,020,136.80

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Solution

The fourth proportional to 1,118,114.40, 1,677,171.60 and 1,020,136.80 is: 1,530,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,114.40 : 1,677,171.60 = 1,020,136.80 : x
  2. Step 2: Convert to fraction form
    1,118,114.40/1,677,171.60 = 1,020,136.80/x
  3. Step 3: Cross multiply
    1,118,114.40x = 1,677,171.60 × 1,020,136.80
  4. Step 4: Simplify right side
    1,118,114.40x = 1,710,944,469,074.88
  5. Step 5: Solve for x
    x = 1,710,944,469,074.88/1,118,114.40
  6. Step 6: Final answer
    x = 1,530,205.20

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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.