Home / 1,585,504.80-2,382,922.80-1,380,218.40

Finding the Fourth Proportional to 1,585,504.80, 2,382,922.80 and 1,380,218.40

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Solution

The fourth proportional to 1,585,504.80, 2,382,922.80 and 1,380,218.40 is: 2,074,389.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,504.80 : 2,382,922.80 = 1,380,218.40 : x
  2. Step 2: Convert to fraction form
    1,585,504.80/2,382,922.80 = 1,380,218.40/x
  3. Step 3: Cross multiply
    1,585,504.80x = 2,382,922.80 × 1,380,218.40
  4. Step 4: Simplify right side
    1,585,504.80x = 3,288,953,894,339.52
  5. Step 5: Solve for x
    x = 3,288,953,894,339.52/1,585,504.80
  6. Step 6: Final answer
    x = 2,074,389.11

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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.