Home / 1,086,472.80-1,629,701.10-328,312.80

Finding the Fourth Proportional to 1,086,472.80, 1,629,701.10 and 328,312.80

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Solution

The fourth proportional to 1,086,472.80, 1,629,701.10 and 328,312.80 is: 492,466.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,472.80 : 1,629,701.10 = 328,312.80 : x
  2. Step 2: Convert to fraction form
    1,086,472.80/1,629,701.10 = 328,312.80/x
  3. Step 3: Cross multiply
    1,086,472.80x = 1,629,701.10 × 328,312.80
  4. Step 4: Simplify right side
    1,086,472.80x = 535,051,731,304.08
  5. Step 5: Solve for x
    x = 535,051,731,304.08/1,086,472.80
  6. Step 6: Final answer
    x = 492,466.75

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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.