Home / 1,313,250.98-1,969,936.86-402,368.24

Finding the Fourth Proportional to 1,313,250.98, 1,969,936.86 and 402,368.24

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Solution

The fourth proportional to 1,313,250.98, 1,969,936.86 and 402,368.24 is: 603,570.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,250.98 : 1,969,936.86 = 402,368.24 : x
  2. Step 2: Convert to fraction form
    1,313,250.98/1,969,936.86 = 402,368.24/x
  3. Step 3: Cross multiply
    1,313,250.98x = 1,969,936.86 × 402,368.24
  4. Step 4: Simplify right side
    1,313,250.98x = 792,640,027,269.33
  5. Step 5: Solve for x
    x = 792,640,027,269.33/1,313,250.98
  6. Step 6: Final answer
    x = 603,570.86

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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.