Home / 1,328,980.36-1,836,391.89-946,342.84

Finding the Fourth Proportional to 1,328,980.36, 1,836,391.89 and 946,342.84

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Solution

The fourth proportional to 1,328,980.36, 1,836,391.89 and 946,342.84 is: 1,307,661.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,980.36 : 1,836,391.89 = 946,342.84 : x
  2. Step 2: Convert to fraction form
    1,328,980.36/1,836,391.89 = 946,342.84/x
  3. Step 3: Cross multiply
    1,328,980.36x = 1,836,391.89 × 946,342.84
  4. Step 4: Simplify right side
    1,328,980.36x = 1,737,856,316,535.57
  5. Step 5: Solve for x
    x = 1,737,856,316,535.57/1,328,980.36
  6. Step 6: Final answer
    x = 1,307,661.40

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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.