Home / 1,998,565.36-2,997,820.30-482,235.64

Finding the Fourth Proportional to 1,998,565.36, 2,997,820.30 and 482,235.64

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Solution

The fourth proportional to 1,998,565.36, 2,997,820.30 and 482,235.64 is: 723,346.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,565.36 : 2,997,820.30 = 482,235.64 : x
  2. Step 2: Convert to fraction form
    1,998,565.36/2,997,820.30 = 482,235.64/x
  3. Step 3: Cross multiply
    1,998,565.36x = 2,997,820.30 × 482,235.64
  4. Step 4: Simplify right side
    1,998,565.36x = 1,445,655,790,975.49
  5. Step 5: Solve for x
    x = 1,445,655,790,975.49/1,998,565.36
  6. Step 6: Final answer
    x = 723,346.77

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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.