Home / 1,075,271.10-1,612,906.65-327,315.90

Finding the Fourth Proportional to 1,075,271.10, 1,612,906.65 and 327,315.90

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Solution

The fourth proportional to 1,075,271.10, 1,612,906.65 and 327,315.90 is: 490,973.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,271.10 : 1,612,906.65 = 327,315.90 : x
  2. Step 2: Convert to fraction form
    1,075,271.10/1,612,906.65 = 327,315.90/x
  3. Step 3: Cross multiply
    1,075,271.10x = 1,612,906.65 × 327,315.90
  4. Step 4: Simplify right side
    1,075,271.10x = 527,929,991,760.74
  5. Step 5: Solve for x
    x = 527,929,991,760.74/1,075,271.10
  6. Step 6: Final answer
    x = 490,973.85

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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.