Home / 1,269,866.43-1,905,090.50-550,328.92

Finding the Fourth Proportional to 1,269,866.43, 1,905,090.50 and 550,328.92

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Solution

The fourth proportional to 1,269,866.43, 1,905,090.50 and 550,328.92 is: 825,619.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,866.43 : 1,905,090.50 = 550,328.92 : x
  2. Step 2: Convert to fraction form
    1,269,866.43/1,905,090.50 = 550,328.92/x
  3. Step 3: Cross multiply
    1,269,866.43x = 1,905,090.50 × 550,328.92
  4. Step 4: Simplify right side
    1,269,866.43x = 1,048,426,393,980.36
  5. Step 5: Solve for x
    x = 1,048,426,393,980.36/1,269,866.43
  6. Step 6: Final answer
    x = 825,619.43

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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.