Home / 1,115,999.80-1,673,999.70-368,006.20

Finding the Fourth Proportional to 1,115,999.80, 1,673,999.70 and 368,006.20

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Solution

The fourth proportional to 1,115,999.80, 1,673,999.70 and 368,006.20 is: 552,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,999.80 : 1,673,999.70 = 368,006.20 : x
  2. Step 2: Convert to fraction form
    1,115,999.80/1,673,999.70 = 368,006.20/x
  3. Step 3: Cross multiply
    1,115,999.80x = 1,673,999.70 × 368,006.20
  4. Step 4: Simplify right side
    1,115,999.80x = 616,042,268,398.14
  5. Step 5: Solve for x
    x = 616,042,268,398.14/1,115,999.80
  6. Step 6: Final answer
    x = 552,009.30

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1.5x scale

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.