Home / 1,379,234.38-1,903,313.61-798,482.13

Finding the Fourth Proportional to 1,379,234.38, 1,903,313.61 and 798,482.13

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Solution

The fourth proportional to 1,379,234.38, 1,903,313.61 and 798,482.13 is: 1,101,888.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,234.38 : 1,903,313.61 = 798,482.13 : x
  2. Step 2: Convert to fraction form
    1,379,234.38/1,903,313.61 = 798,482.13/x
  3. Step 3: Cross multiply
    1,379,234.38x = 1,903,313.61 × 798,482.13
  4. Step 4: Simplify right side
    1,379,234.38x = 1,519,761,901,378.38
  5. Step 5: Solve for x
    x = 1,519,761,901,378.38/1,379,234.38
  6. Step 6: Final answer
    x = 1,101,888.07

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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.