Home / 1,099,219.28-1,648,830.27-300,507.74

Finding the Fourth Proportional to 1,099,219.28, 1,648,830.27 and 300,507.74

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Solution

The fourth proportional to 1,099,219.28, 1,648,830.27 and 300,507.74 is: 450,761.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,219.28 : 1,648,830.27 = 300,507.74 : x
  2. Step 2: Convert to fraction form
    1,099,219.28/1,648,830.27 = 300,507.74/x
  3. Step 3: Cross multiply
    1,099,219.28x = 1,648,830.27 × 300,507.74
  4. Step 4: Simplify right side
    1,099,219.28x = 495,486,249,837.14
  5. Step 5: Solve for x
    x = 495,486,249,837.14/1,099,219.28
  6. Step 6: Final answer
    x = 450,761.97

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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.