Home / 1,266,180.80-1,899,271.20-424,529.60

Finding the Fourth Proportional to 1,266,180.80, 1,899,271.20 and 424,529.60

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Solution

The fourth proportional to 1,266,180.80, 1,899,271.20 and 424,529.60 is: 636,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,180.80 : 1,899,271.20 = 424,529.60 : x
  2. Step 2: Convert to fraction form
    1,266,180.80/1,899,271.20 = 424,529.60/x
  3. Step 3: Cross multiply
    1,266,180.80x = 1,899,271.20 × 424,529.60
  4. Step 4: Simplify right side
    1,266,180.80x = 806,296,842,827.52
  5. Step 5: Solve for x
    x = 806,296,842,827.52/1,266,180.80
  6. Step 6: Final answer
    x = 636,794.40

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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.