Home / 988,308.32-1,362,847.21-845,540.96

Finding the Fourth Proportional to 988,308.32, 1,362,847.21 and 845,540.96

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Solution

The fourth proportional to 988,308.32, 1,362,847.21 and 845,540.96 is: 1,165,975.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,308.32 : 1,362,847.21 = 845,540.96 : x
  2. Step 2: Convert to fraction form
    988,308.32/1,362,847.21 = 845,540.96/x
  3. Step 3: Cross multiply
    988,308.32x = 1,362,847.21 × 845,540.96
  4. Step 4: Simplify right side
    988,308.32x = 1,152,343,129,348.63
  5. Step 5: Solve for x
    x = 1,152,343,129,348.63/988,308.32
  6. Step 6: Final answer
    x = 1,165,975.35

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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.