Home / 1,188,333.45-1,782,625.32-346,887.63

Finding the Fourth Proportional to 1,188,333.45, 1,782,625.32 and 346,887.63

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Solution

The fourth proportional to 1,188,333.45, 1,782,625.32 and 346,887.63 is: 520,367.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,333.45 : 1,782,625.32 = 346,887.63 : x
  2. Step 2: Convert to fraction form
    1,188,333.45/1,782,625.32 = 346,887.63/x
  3. Step 3: Cross multiply
    1,188,333.45x = 1,782,625.32 × 346,887.63
  4. Step 4: Simplify right side
    1,188,333.45x = 618,370,672,432.79
  5. Step 5: Solve for x
    x = 618,370,672,432.79/1,188,333.45
  6. Step 6: Final answer
    x = 520,367.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.