Home / 1,672,705.83-2,308,289.11-984,418.19

Finding the Fourth Proportional to 1,672,705.83, 2,308,289.11 and 984,418.19

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Solution

The fourth proportional to 1,672,705.83, 2,308,289.11 and 984,418.19 is: 1,358,470.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,705.83 : 2,308,289.11 = 984,418.19 : x
  2. Step 2: Convert to fraction form
    1,672,705.83/2,308,289.11 = 984,418.19/x
  3. Step 3: Cross multiply
    1,672,705.83x = 2,308,289.11 × 984,418.19
  4. Step 4: Simplify right side
    1,672,705.83x = 2,272,321,787,662.91
  5. Step 5: Solve for x
    x = 2,272,321,787,662.91/1,672,705.83
  6. Step 6: Final answer
    x = 1,358,470.66

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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.