Home / 1,328,812.20-1,992,894.30-382,084.20

Finding the Fourth Proportional to 1,328,812.20, 1,992,894.30 and 382,084.20

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Solution

The fourth proportional to 1,328,812.20, 1,992,894.30 and 382,084.20 is: 573,033.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,812.20 : 1,992,894.30 = 382,084.20 : x
  2. Step 2: Convert to fraction form
    1,328,812.20/1,992,894.30 = 382,084.20/x
  3. Step 3: Cross multiply
    1,328,812.20x = 1,992,894.30 × 382,084.20
  4. Step 4: Simplify right side
    1,328,812.20x = 761,453,424,300.06
  5. Step 5: Solve for x
    x = 761,453,424,300.06/1,328,812.20
  6. Step 6: Final answer
    x = 573,033.14

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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.