Home / 1,133,321.80-1,699,982.70-385,367.80

Finding the Fourth Proportional to 1,133,321.80, 1,699,982.70 and 385,367.80

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Solution

The fourth proportional to 1,133,321.80, 1,699,982.70 and 385,367.80 is: 578,051.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,321.80 : 1,699,982.70 = 385,367.80 : x
  2. Step 2: Convert to fraction form
    1,133,321.80/1,699,982.70 = 385,367.80/x
  3. Step 3: Cross multiply
    1,133,321.80x = 1,699,982.70 × 385,367.80
  4. Step 4: Simplify right side
    1,133,321.80x = 655,118,593,137.06
  5. Step 5: Solve for x
    x = 655,118,593,137.06/1,133,321.80
  6. Step 6: Final answer
    x = 578,051.70

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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.