Home / 1,066,936.80-1,600,405.20-268,244.40

Finding the Fourth Proportional to 1,066,936.80, 1,600,405.20 and 268,244.40

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Solution

The fourth proportional to 1,066,936.80, 1,600,405.20 and 268,244.40 is: 402,366.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,936.80 : 1,600,405.20 = 268,244.40 : x
  2. Step 2: Convert to fraction form
    1,066,936.80/1,600,405.20 = 268,244.40/x
  3. Step 3: Cross multiply
    1,066,936.80x = 1,600,405.20 × 268,244.40
  4. Step 4: Simplify right side
    1,066,936.80x = 429,299,732,630.88
  5. Step 5: Solve for x
    x = 429,299,732,630.88/1,066,936.80
  6. Step 6: Final answer
    x = 402,366.60

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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.