Home / 1,379,516.55-1,903,898.57-835,636.38

Finding the Fourth Proportional to 1,379,516.55, 1,903,898.57 and 835,636.38

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Solution

The fourth proportional to 1,379,516.55, 1,903,898.57 and 835,636.38 is: 1,153,278.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,516.55 : 1,903,898.57 = 835,636.38 : x
  2. Step 2: Convert to fraction form
    1,379,516.55/1,903,898.57 = 835,636.38/x
  3. Step 3: Cross multiply
    1,379,516.55x = 1,903,898.57 × 835,636.38
  4. Step 4: Simplify right side
    1,379,516.55x = 1,590,966,904,743.79
  5. Step 5: Solve for x
    x = 1,590,966,904,743.79/1,379,516.55
  6. Step 6: Final answer
    x = 1,153,278.59

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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.