Home / 1,079,002.80-1,618,504.20-368,859.60

Finding the Fourth Proportional to 1,079,002.80, 1,618,504.20 and 368,859.60

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Solution

The fourth proportional to 1,079,002.80, 1,618,504.20 and 368,859.60 is: 553,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,002.80 : 1,618,504.20 = 368,859.60 : x
  2. Step 2: Convert to fraction form
    1,079,002.80/1,618,504.20 = 368,859.60/x
  3. Step 3: Cross multiply
    1,079,002.80x = 1,618,504.20 × 368,859.60
  4. Step 4: Simplify right side
    1,079,002.80x = 597,000,811,810.32
  5. Step 5: Solve for x
    x = 597,000,811,810.32/1,079,002.80
  6. Step 6: Final answer
    x = 553,289.40

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Similar ratio
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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.