Home / 1,205,828.80-1,808,743.20-495,491.20

Finding the Fourth Proportional to 1,205,828.80, 1,808,743.20 and 495,491.20

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Solution

The fourth proportional to 1,205,828.80, 1,808,743.20 and 495,491.20 is: 743,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,828.80 : 1,808,743.20 = 495,491.20 : x
  2. Step 2: Convert to fraction form
    1,205,828.80/1,808,743.20 = 495,491.20/x
  3. Step 3: Cross multiply
    1,205,828.80x = 1,808,743.20 × 495,491.20
  4. Step 4: Simplify right side
    1,205,828.80x = 896,216,338,659.84
  5. Step 5: Solve for x
    x = 896,216,338,659.84/1,205,828.80
  6. Step 6: Final answer
    x = 743,236.80

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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.