Home / 1,228,289.72-1,695,022.67-684,448.43

Finding the Fourth Proportional to 1,228,289.72, 1,695,022.67 and 684,448.43

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Solution

The fourth proportional to 1,228,289.72, 1,695,022.67 and 684,448.43 is: 944,529.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,289.72 : 1,695,022.67 = 684,448.43 : x
  2. Step 2: Convert to fraction form
    1,228,289.72/1,695,022.67 = 684,448.43/x
  3. Step 3: Cross multiply
    1,228,289.72x = 1,695,022.67 × 684,448.43
  4. Step 4: Simplify right side
    1,228,289.72x = 1,160,155,598,531.92
  5. Step 5: Solve for x
    x = 1,160,155,598,531.92/1,228,289.72
  6. Step 6: Final answer
    x = 944,529.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.