Home / 1,209,630.80-1,814,446.20-368,181.20

Finding the Fourth Proportional to 1,209,630.80, 1,814,446.20 and 368,181.20

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Solution

The fourth proportional to 1,209,630.80, 1,814,446.20 and 368,181.20 is: 552,271.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,630.80 : 1,814,446.20 = 368,181.20 : x
  2. Step 2: Convert to fraction form
    1,209,630.80/1,814,446.20 = 368,181.20/x
  3. Step 3: Cross multiply
    1,209,630.80x = 1,814,446.20 × 368,181.20
  4. Step 4: Simplify right side
    1,209,630.80x = 668,044,979,251.44
  5. Step 5: Solve for x
    x = 668,044,979,251.44/1,209,630.80
  6. Step 6: Final answer
    x = 552,271.80

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1.5x scale

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.