Home / 1,379,519.68-1,903,902.90-835,639.50

Finding the Fourth Proportional to 1,379,519.68, 1,903,902.90 and 835,639.50

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Solution

The fourth proportional to 1,379,519.68, 1,903,902.90 and 835,639.50 is: 1,153,282.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,519.68 : 1,903,902.90 = 835,639.50 : x
  2. Step 2: Convert to fraction form
    1,379,519.68/1,903,902.90 = 835,639.50/x
  3. Step 3: Cross multiply
    1,379,519.68x = 1,903,902.90 × 835,639.50
  4. Step 4: Simplify right side
    1,379,519.68x = 1,590,976,467,404.55
  5. Step 5: Solve for x
    x = 1,590,976,467,404.55/1,379,519.68
  6. Step 6: Final answer
    x = 1,153,282.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.