Home / 1,255,048.20-1,731,979.94-682,088.40

Finding the Fourth Proportional to 1,255,048.20, 1,731,979.94 and 682,088.40

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Solution

The fourth proportional to 1,255,048.20, 1,731,979.94 and 682,088.40 is: 941,289.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,048.20 : 1,731,979.94 = 682,088.40 : x
  2. Step 2: Convert to fraction form
    1,255,048.20/1,731,979.94 = 682,088.40/x
  3. Step 3: Cross multiply
    1,255,048.20x = 1,731,979.94 × 682,088.40
  4. Step 4: Simplify right side
    1,255,048.20x = 1,181,363,422,696.25
  5. Step 5: Solve for x
    x = 1,181,363,422,696.25/1,255,048.20
  6. Step 6: Final answer
    x = 941,289.28

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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.