Home / 1,361,722.32-1,878,891.96-788,728.32

Finding the Fourth Proportional to 1,361,722.32, 1,878,891.96 and 788,728.32

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Solution

The fourth proportional to 1,361,722.32, 1,878,891.96 and 788,728.32 is: 1,088,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,722.32 : 1,878,891.96 = 788,728.32 : x
  2. Step 2: Convert to fraction form
    1,361,722.32/1,878,891.96 = 788,728.32/x
  3. Step 3: Cross multiply
    1,361,722.32x = 1,878,891.96 × 788,728.32
  4. Step 4: Simplify right side
    1,361,722.32x = 1,481,935,299,072.31
  5. Step 5: Solve for x
    x = 1,481,935,299,072.31/1,361,722.32
  6. Step 6: Final answer
    x = 1,088,280.10

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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.