Home / 1,325,368.80-1,988,053.20-328,096.80

Finding the Fourth Proportional to 1,325,368.80, 1,988,053.20 and 328,096.80

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Solution

The fourth proportional to 1,325,368.80, 1,988,053.20 and 328,096.80 is: 492,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,368.80 : 1,988,053.20 = 328,096.80 : x
  2. Step 2: Convert to fraction form
    1,325,368.80/1,988,053.20 = 328,096.80/x
  3. Step 3: Cross multiply
    1,325,368.80x = 1,988,053.20 × 328,096.80
  4. Step 4: Simplify right side
    1,325,368.80x = 652,273,893,149.76
  5. Step 5: Solve for x
    x = 652,273,893,149.76/1,325,368.80
  6. Step 6: Final answer
    x = 492,145.20

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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.