Home / 1,307,779.89-1,961,706.65-361,150.62

Finding the Fourth Proportional to 1,307,779.89, 1,961,706.65 and 361,150.62

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Solution

The fourth proportional to 1,307,779.89, 1,961,706.65 and 361,150.62 is: 541,736.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,779.89 : 1,961,706.65 = 361,150.62 : x
  2. Step 2: Convert to fraction form
    1,307,779.89/1,961,706.65 = 361,150.62/x
  3. Step 3: Cross multiply
    1,307,779.89x = 1,961,706.65 × 361,150.62
  4. Step 4: Simplify right side
    1,307,779.89x = 708,471,571,099.87
  5. Step 5: Solve for x
    x = 708,471,571,099.87/1,307,779.89
  6. Step 6: Final answer
    x = 541,736.10

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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.