Home / 1,099,235.52-1,648,856.97-389,284.29

Finding the Fourth Proportional to 1,099,235.52, 1,648,856.97 and 389,284.29

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Solution

The fourth proportional to 1,099,235.52, 1,648,856.97 and 389,284.29 is: 583,927.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,235.52 : 1,648,856.97 = 389,284.29 : x
  2. Step 2: Convert to fraction form
    1,099,235.52/1,648,856.97 = 389,284.29/x
  3. Step 3: Cross multiply
    1,099,235.52x = 1,648,856.97 × 389,284.29
  4. Step 4: Simplify right side
    1,099,235.52x = 641,874,114,878.00
  5. Step 5: Solve for x
    x = 641,874,114,878.00/1,099,235.52
  6. Step 6: Final answer
    x = 583,927.74

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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.