Home / 1,536,985.60-2,121,073.84-848,655.60

Finding the Fourth Proportional to 1,536,985.60, 2,121,073.84 and 848,655.60

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Solution

The fourth proportional to 1,536,985.60, 2,121,073.84 and 848,655.60 is: 1,171,163.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,985.60 : 2,121,073.84 = 848,655.60 : x
  2. Step 2: Convert to fraction form
    1,536,985.60/2,121,073.84 = 848,655.60/x
  3. Step 3: Cross multiply
    1,536,985.60x = 2,121,073.84 × 848,655.60
  4. Step 4: Simplify right side
    1,536,985.60x = 1,800,061,192,329.50
  5. Step 5: Solve for x
    x = 1,800,061,192,329.50/1,536,985.60
  6. Step 6: Final answer
    x = 1,171,163.34

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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.