Home / 1,264,180.35-1,745,043.29-828,625.76

Finding the Fourth Proportional to 1,264,180.35, 1,745,043.29 and 828,625.76

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Solution

The fourth proportional to 1,264,180.35, 1,745,043.29 and 828,625.76 is: 1,143,814.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,180.35 : 1,745,043.29 = 828,625.76 : x
  2. Step 2: Convert to fraction form
    1,264,180.35/1,745,043.29 = 828,625.76/x
  3. Step 3: Cross multiply
    1,264,180.35x = 1,745,043.29 × 828,625.76
  4. Step 4: Simplify right side
    1,264,180.35x = 1,445,987,815,755.50
  5. Step 5: Solve for x
    x = 1,445,987,815,755.50/1,264,180.35
  6. Step 6: Final answer
    x = 1,143,814.50

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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.