Home / 1,340,600.04-2,010,900.46-393,970.84

Finding the Fourth Proportional to 1,340,600.04, 2,010,900.46 and 393,970.84

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Solution

The fourth proportional to 1,340,600.04, 2,010,900.46 and 393,970.84 is: 590,956.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,600.04 : 2,010,900.46 = 393,970.84 : x
  2. Step 2: Convert to fraction form
    1,340,600.04/2,010,900.46 = 393,970.84/x
  3. Step 3: Cross multiply
    1,340,600.04x = 2,010,900.46 × 393,970.84
  4. Step 4: Simplify right side
    1,340,600.04x = 792,236,143,382.59
  5. Step 5: Solve for x
    x = 792,236,143,382.59/1,340,600.04
  6. Step 6: Final answer
    x = 590,956.38

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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.