Home / 1,361,115.96-1,878,448.50-788,166.24

Finding the Fourth Proportional to 1,361,115.96, 1,878,448.50 and 788,166.24

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Solution

The fourth proportional to 1,361,115.96, 1,878,448.50 and 788,166.24 is: 1,087,732.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,115.96 : 1,878,448.50 = 788,166.24 : x
  2. Step 2: Convert to fraction form
    1,361,115.96/1,878,448.50 = 788,166.24/x
  3. Step 3: Cross multiply
    1,361,115.96x = 1,878,448.50 × 788,166.24
  4. Step 4: Simplify right side
    1,361,115.96x = 1,480,529,691,278.64
  5. Step 5: Solve for x
    x = 1,480,529,691,278.64/1,361,115.96
  6. Step 6: Final answer
    x = 1,087,732.22

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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.