Home / 1,821,314.80-2,731,972.20-559,140.40

Finding the Fourth Proportional to 1,821,314.80, 2,731,972.20 and 559,140.40

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Solution

The fourth proportional to 1,821,314.80, 2,731,972.20 and 559,140.40 is: 838,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,314.80 : 2,731,972.20 = 559,140.40 : x
  2. Step 2: Convert to fraction form
    1,821,314.80/2,731,972.20 = 559,140.40/x
  3. Step 3: Cross multiply
    1,821,314.80x = 2,731,972.20 × 559,140.40
  4. Step 4: Simplify right side
    1,821,314.80x = 1,527,556,028,696.88
  5. Step 5: Solve for x
    x = 1,527,556,028,696.88/1,821,314.80
  6. Step 6: Final answer
    x = 838,710.60

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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.