Home / 1,362,379.20-1,880,141.28-758,767.20

Finding the Fourth Proportional to 1,362,379.20, 1,880,141.28 and 758,767.20

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Solution

The fourth proportional to 1,362,379.20, 1,880,141.28 and 758,767.20 is: 1,047,131.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,379.20 : 1,880,141.28 = 758,767.20 : x
  2. Step 2: Convert to fraction form
    1,362,379.20/1,880,141.28 = 758,767.20/x
  3. Step 3: Cross multiply
    1,362,379.20x = 1,880,141.28 × 758,767.20
  4. Step 4: Simplify right side
    1,362,379.20x = 1,426,589,534,630.02
  5. Step 5: Solve for x
    x = 1,426,589,534,630.02/1,362,379.20
  6. Step 6: Final answer
    x = 1,047,131.03

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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.