Home / 1,379,914.47-1,903,474.82-896,801.38

Finding the Fourth Proportional to 1,379,914.47, 1,903,474.82 and 896,801.38

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Solution

The fourth proportional to 1,379,914.47, 1,903,474.82 and 896,801.38 is: 1,237,061.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,914.47 : 1,903,474.82 = 896,801.38 : x
  2. Step 2: Convert to fraction form
    1,379,914.47/1,903,474.82 = 896,801.38/x
  3. Step 3: Cross multiply
    1,379,914.47x = 1,903,474.82 × 896,801.38
  4. Step 4: Simplify right side
    1,379,914.47x = 1,707,038,842,854.57
  5. Step 5: Solve for x
    x = 1,707,038,842,854.57/1,379,914.47
  6. Step 6: Final answer
    x = 1,237,061.34

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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.