Home / 1,099,136.70-1,648,940.15-340,961.72

Finding the Fourth Proportional to 1,099,136.70, 1,648,940.15 and 340,961.72

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Solution

The fourth proportional to 1,099,136.70, 1,648,940.15 and 340,961.72 is: 511,515.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,136.70 : 1,648,940.15 = 340,961.72 : x
  2. Step 2: Convert to fraction form
    1,099,136.70/1,648,940.15 = 340,961.72/x
  3. Step 3: Cross multiply
    1,099,136.70x = 1,648,940.15 × 340,961.72
  4. Step 4: Simplify right side
    1,099,136.70x = 562,225,462,328.76
  5. Step 5: Solve for x
    x = 562,225,462,328.76/1,099,136.70
  6. Step 6: Final answer
    x = 511,515.50

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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.