Home / 1,263,905.51-1,896,337.10-758,819.21

Finding the Fourth Proportional to 1,263,905.51, 1,896,337.10 and 758,819.21

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Solution

The fourth proportional to 1,263,905.51, 1,896,337.10 and 758,819.21 is: 1,138,516.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,905.51 : 1,896,337.10 = 758,819.21 : x
  2. Step 2: Convert to fraction form
    1,263,905.51/1,896,337.10 = 758,819.21/x
  3. Step 3: Cross multiply
    1,263,905.51x = 1,896,337.10 × 758,819.21
  4. Step 4: Simplify right side
    1,263,905.51x = 1,438,977,020,115.69
  5. Step 5: Solve for x
    x = 1,438,977,020,115.69/1,263,905.51
  6. Step 6: Final answer
    x = 1,138,516.30

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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.