Home / 1,328,902.20-1,993,283.64-382,235.76

Finding the Fourth Proportional to 1,328,902.20, 1,993,283.64 and 382,235.76

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Solution

The fourth proportional to 1,328,902.20, 1,993,283.64 and 382,235.76 is: 573,333.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,902.20 : 1,993,283.64 = 382,235.76 : x
  2. Step 2: Convert to fraction form
    1,328,902.20/1,993,283.64 = 382,235.76/x
  3. Step 3: Cross multiply
    1,328,902.20x = 1,993,283.64 × 382,235.76
  4. Step 4: Simplify right side
    1,328,902.20x = 761,904,287,030.97
  5. Step 5: Solve for x
    x = 761,904,287,030.97/1,328,902.20
  6. Step 6: Final answer
    x = 573,333.60

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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.