Home / 1,106,818.80-1,660,519.80-396,772.80

Finding the Fourth Proportional to 1,106,818.80, 1,660,519.80 and 396,772.80

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Solution

The fourth proportional to 1,106,818.80, 1,660,519.80 and 396,772.80 is: 595,263.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,818.80 : 1,660,519.80 = 396,772.80 : x
  2. Step 2: Convert to fraction form
    1,106,818.80/1,660,519.80 = 396,772.80/x
  3. Step 3: Cross multiply
    1,106,818.80x = 1,660,519.80 × 396,772.80
  4. Step 4: Simplify right side
    1,106,818.80x = 658,849,090,501.44
  5. Step 5: Solve for x
    x = 658,849,090,501.44/1,106,818.80
  6. Step 6: Final answer
    x = 595,263.73

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1.5x scale

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.