Home / 1,188,023.64-1,638,874.26-848,688.72

Finding the Fourth Proportional to 1,188,023.64, 1,638,874.26 and 848,688.72

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Solution

The fourth proportional to 1,188,023.64, 1,638,874.26 and 848,688.72 is: 1,170,762.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,023.64 : 1,638,874.26 = 848,688.72 : x
  2. Step 2: Convert to fraction form
    1,188,023.64/1,638,874.26 = 848,688.72/x
  3. Step 3: Cross multiply
    1,188,023.64x = 1,638,874.26 × 848,688.72
  4. Step 4: Simplify right side
    1,188,023.64x = 1,390,894,097,960.35
  5. Step 5: Solve for x
    x = 1,390,894,097,960.35/1,188,023.64
  6. Step 6: Final answer
    x = 1,170,762.98

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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.