Home / 1,311,782.80-1,968,019.80-470,246.80

Finding the Fourth Proportional to 1,311,782.80, 1,968,019.80 and 470,246.80

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Solution

The fourth proportional to 1,311,782.80, 1,968,019.80 and 470,246.80 is: 705,494.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,782.80 : 1,968,019.80 = 470,246.80 : x
  2. Step 2: Convert to fraction form
    1,311,782.80/1,968,019.80 = 470,246.80/x
  3. Step 3: Cross multiply
    1,311,782.80x = 1,968,019.80 × 470,246.80
  4. Step 4: Simplify right side
    1,311,782.80x = 925,455,013,286.64
  5. Step 5: Solve for x
    x = 925,455,013,286.64/1,311,782.80
  6. Step 6: Final answer
    x = 705,494.09

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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.