Home / 1,336,558.60-2,004,914.70-390,075.40

Finding the Fourth Proportional to 1,336,558.60, 2,004,914.70 and 390,075.40

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Solution

The fourth proportional to 1,336,558.60, 2,004,914.70 and 390,075.40 is: 585,135.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,558.60 : 2,004,914.70 = 390,075.40 : x
  2. Step 2: Convert to fraction form
    1,336,558.60/2,004,914.70 = 390,075.40/x
  3. Step 3: Cross multiply
    1,336,558.60x = 2,004,914.70 × 390,075.40
  4. Step 4: Simplify right side
    1,336,558.60x = 782,067,903,568.38
  5. Step 5: Solve for x
    x = 782,067,903,568.38/1,336,558.60
  6. Step 6: Final answer
    x = 585,135.51

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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.