Home / 1,219,299.78-1,682,615.52-675,433.92

Finding the Fourth Proportional to 1,219,299.78, 1,682,615.52 and 675,433.92

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Solution

The fourth proportional to 1,219,299.78, 1,682,615.52 and 675,433.92 is: 932,088.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,299.78 : 1,682,615.52 = 675,433.92 : x
  2. Step 2: Convert to fraction form
    1,219,299.78/1,682,615.52 = 675,433.92/x
  3. Step 3: Cross multiply
    1,219,299.78x = 1,682,615.52 × 675,433.92
  4. Step 4: Simplify right side
    1,219,299.78x = 1,136,495,596,526.44
  5. Step 5: Solve for x
    x = 1,136,495,596,526.44/1,219,299.78
  6. Step 6: Final answer
    x = 932,088.74

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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.