Home / 903,964.20-1,355,946.30-768,661.80

Finding the Fourth Proportional to 903,964.20, 1,355,946.30 and 768,661.80

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Solution

The fourth proportional to 903,964.20, 1,355,946.30 and 768,661.80 is: 1,152,992.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,964.20 : 1,355,946.30 = 768,661.80 : x
  2. Step 2: Convert to fraction form
    903,964.20/1,355,946.30 = 768,661.80/x
  3. Step 3: Cross multiply
    903,964.20x = 1,355,946.30 × 768,661.80
  4. Step 4: Simplify right side
    903,964.20x = 1,042,264,123,661.34
  5. Step 5: Solve for x
    x = 1,042,264,123,661.34/903,964.20
  6. Step 6: Final answer
    x = 1,152,992.70

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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.