Home / 1,118,440.60-1,543,393.04-634,942.32

Finding the Fourth Proportional to 1,118,440.60, 1,543,393.04 and 634,942.32

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Solution

The fourth proportional to 1,118,440.60, 1,543,393.04 and 634,942.32 is: 876,189.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,440.60 : 1,543,393.04 = 634,942.32 : x
  2. Step 2: Convert to fraction form
    1,118,440.60/1,543,393.04 = 634,942.32/x
  3. Step 3: Cross multiply
    1,118,440.60x = 1,543,393.04 × 634,942.32
  4. Step 4: Simplify right side
    1,118,440.60x = 979,965,557,489.45
  5. Step 5: Solve for x
    x = 979,965,557,489.45/1,118,440.60
  6. Step 6: Final answer
    x = 876,189.18

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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.