Home / 1,099,219.03-1,648,829.90-300,507.49

Finding the Fourth Proportional to 1,099,219.03, 1,648,829.90 and 300,507.49

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Solution

The fourth proportional to 1,099,219.03, 1,648,829.90 and 300,507.49 is: 450,761.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,219.03 : 1,648,829.90 = 300,507.49 : x
  2. Step 2: Convert to fraction form
    1,099,219.03/1,648,829.90 = 300,507.49/x
  3. Step 3: Cross multiply
    1,099,219.03x = 1,648,829.90 × 300,507.49
  4. Step 4: Simplify right side
    1,099,219.03x = 495,485,724,939.26
  5. Step 5: Solve for x
    x = 495,485,724,939.26/1,099,219.03
  6. Step 6: Final answer
    x = 450,761.60

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1.5x scale

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.