Home / 1,260,396.48-1,890,584.96-313,760.96

Finding the Fourth Proportional to 1,260,396.48, 1,890,584.96 and 313,760.96

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Solution

The fourth proportional to 1,260,396.48, 1,890,584.96 and 313,760.96 is: 470,639.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,396.48 : 1,890,584.96 = 313,760.96 : x
  2. Step 2: Convert to fraction form
    1,260,396.48/1,890,584.96 = 313,760.96/x
  3. Step 3: Cross multiply
    1,260,396.48x = 1,890,584.96 × 313,760.96
  4. Step 4: Simplify right side
    1,260,396.48x = 593,191,752,011.16
  5. Step 5: Solve for x
    x = 593,191,752,011.16/1,260,396.48
  6. Step 6: Final answer
    x = 470,639.01

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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.