Home / 1,116,917.31-1,675,099.17-318,205.77

Finding the Fourth Proportional to 1,116,917.31, 1,675,099.17 and 318,205.77

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Solution

The fourth proportional to 1,116,917.31, 1,675,099.17 and 318,205.77 is: 477,229.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,917.31 : 1,675,099.17 = 318,205.77 : x
  2. Step 2: Convert to fraction form
    1,116,917.31/1,675,099.17 = 318,205.77/x
  3. Step 3: Cross multiply
    1,116,917.31x = 1,675,099.17 × 318,205.77
  4. Step 4: Simplify right side
    1,116,917.31x = 533,026,226,225.75
  5. Step 5: Solve for x
    x = 533,026,226,225.75/1,116,917.31
  6. Step 6: Final answer
    x = 477,229.80

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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.