Home / 1,311,825.08-1,967,768.34-470,358.20

Finding the Fourth Proportional to 1,311,825.08, 1,967,768.34 and 470,358.20

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Solution

The fourth proportional to 1,311,825.08, 1,967,768.34 and 470,358.20 is: 705,548.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,825.08 : 1,967,768.34 = 470,358.20 : x
  2. Step 2: Convert to fraction form
    1,311,825.08/1,967,768.34 = 470,358.20/x
  3. Step 3: Cross multiply
    1,311,825.08x = 1,967,768.34 × 470,358.20
  4. Step 4: Simplify right side
    1,311,825.08x = 925,555,974,419.39
  5. Step 5: Solve for x
    x = 925,555,974,419.39/1,311,825.08
  6. Step 6: Final answer
    x = 705,548.31

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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.