Home / 1,640,252.95-2,460,379.43-518,321.95

Finding the Fourth Proportional to 1,640,252.95, 2,460,379.43 and 518,321.95

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Solution

The fourth proportional to 1,640,252.95, 2,460,379.43 and 518,321.95 is: 777,482.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,252.95 : 2,460,379.43 = 518,321.95 : x
  2. Step 2: Convert to fraction form
    1,640,252.95/2,460,379.43 = 518,321.95/x
  3. Step 3: Cross multiply
    1,640,252.95x = 2,460,379.43 × 518,321.95
  4. Step 4: Simplify right side
    1,640,252.95x = 1,275,268,661,305.88
  5. Step 5: Solve for x
    x = 1,275,268,661,305.88/1,640,252.95
  6. Step 6: Final answer
    x = 777,482.93

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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.