Home / 1,380,157.44-1,904,597.76-776,544

Finding the Fourth Proportional to 1,380,157.44, 1,904,597.76 and 776,544

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Solution

The fourth proportional to 1,380,157.44, 1,904,597.76 and 776,544 is: 1,071,619.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,157.44 : 1,904,597.76 = 776,544 : x
  2. Step 2: Convert to fraction form
    1,380,157.44/1,904,597.76 = 776,544/x
  3. Step 3: Cross multiply
    1,380,157.44x = 1,904,597.76 × 776,544
  4. Step 4: Simplify right side
    1,380,157.44x = 1,479,003,962,941.44
  5. Step 5: Solve for x
    x = 1,479,003,962,941.44/1,380,157.44
  6. Step 6: Final answer
    x = 1,071,619.74

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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.