Home / 1,074,030.08-1,611,745.92-400,650.08

Finding the Fourth Proportional to 1,074,030.08, 1,611,745.92 and 400,650.08

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Solution

The fourth proportional to 1,074,030.08, 1,611,745.92 and 400,650.08 is: 601,236.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,030.08 : 1,611,745.92 = 400,650.08 : x
  2. Step 2: Convert to fraction form
    1,074,030.08/1,611,745.92 = 400,650.08/x
  3. Step 3: Cross multiply
    1,074,030.08x = 1,611,745.92 × 400,650.08
  4. Step 4: Simplify right side
    1,074,030.08x = 645,746,131,787.67
  5. Step 5: Solve for x
    x = 645,746,131,787.67/1,074,030.08
  6. Step 6: Final answer
    x = 601,236.54

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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.