Home / 1,449,070.36-1,999,678.20-868,621.44

Finding the Fourth Proportional to 1,449,070.36, 1,999,678.20 and 868,621.44

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Solution

The fourth proportional to 1,449,070.36, 1,999,678.20 and 868,621.44 is: 1,198,674.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,070.36 : 1,999,678.20 = 868,621.44 : x
  2. Step 2: Convert to fraction form
    1,449,070.36/1,999,678.20 = 868,621.44/x
  3. Step 3: Cross multiply
    1,449,070.36x = 1,999,678.20 × 868,621.44
  4. Step 4: Simplify right side
    1,449,070.36x = 1,736,963,357,620.61
  5. Step 5: Solve for x
    x = 1,736,963,357,620.61/1,449,070.36
  6. Step 6: Final answer
    x = 1,198,674.27

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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.