Home / 1,394,205.80-2,090,889.90-495,529.40

Finding the Fourth Proportional to 1,394,205.80, 2,090,889.90 and 495,529.40

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Solution

The fourth proportional to 1,394,205.80, 2,090,889.90 and 495,529.40 is: 743,145.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,205.80 : 2,090,889.90 = 495,529.40 : x
  2. Step 2: Convert to fraction form
    1,394,205.80/2,090,889.90 = 495,529.40/x
  3. Step 3: Cross multiply
    1,394,205.80x = 2,090,889.90 × 495,529.40
  4. Step 4: Simplify right side
    1,394,205.80x = 1,036,097,417,613.06
  5. Step 5: Solve for x
    x = 1,036,097,417,613.06/1,394,205.80
  6. Step 6: Final answer
    x = 743,145.25

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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.