Home / 1,099,421.87-1,649,109.45-300,703.46

Finding the Fourth Proportional to 1,099,421.87, 1,649,109.45 and 300,703.46

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Solution

The fourth proportional to 1,099,421.87, 1,649,109.45 and 300,703.46 is: 451,048.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,421.87 : 1,649,109.45 = 300,703.46 : x
  2. Step 2: Convert to fraction form
    1,099,421.87/1,649,109.45 = 300,703.46/x
  3. Step 3: Cross multiply
    1,099,421.87x = 1,649,109.45 × 300,703.46
  4. Step 4: Simplify right side
    1,099,421.87x = 495,892,917,533.70
  5. Step 5: Solve for x
    x = 495,892,917,533.70/1,099,421.87
  6. Step 6: Final answer
    x = 451,048.80

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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.