Home / 1,038,673.32-1,558,211.97-398,930.25

Finding the Fourth Proportional to 1,038,673.32, 1,558,211.97 and 398,930.25

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Solution

The fourth proportional to 1,038,673.32, 1,558,211.97 and 398,930.25 is: 598,472.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,673.32 : 1,558,211.97 = 398,930.25 : x
  2. Step 2: Convert to fraction form
    1,038,673.32/1,558,211.97 = 398,930.25/x
  3. Step 3: Cross multiply
    1,038,673.32x = 1,558,211.97 × 398,930.25
  4. Step 4: Simplify right side
    1,038,673.32x = 621,617,890,745.09
  5. Step 5: Solve for x
    x = 621,617,890,745.09/1,038,673.32
  6. Step 6: Final answer
    x = 598,472.95

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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.