Home / 1,099,097.10-1,648,645.65-389,196.90

Finding the Fourth Proportional to 1,099,097.10, 1,648,645.65 and 389,196.90

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Solution

The fourth proportional to 1,099,097.10, 1,648,645.65 and 389,196.90 is: 583,795.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,097.10 : 1,648,645.65 = 389,196.90 : x
  2. Step 2: Convert to fraction form
    1,099,097.10/1,648,645.65 = 389,196.90/x
  3. Step 3: Cross multiply
    1,099,097.10x = 1,648,645.65 × 389,196.90
  4. Step 4: Simplify right side
    1,099,097.10x = 641,647,776,178.49
  5. Step 5: Solve for x
    x = 641,647,776,178.49/1,099,097.10
  6. Step 6: Final answer
    x = 583,795.35

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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.