Home / 1,313,405.58-1,970,220.15-414,606.90

Finding the Fourth Proportional to 1,313,405.58, 1,970,220.15 and 414,606.90

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Solution

The fourth proportional to 1,313,405.58, 1,970,220.15 and 414,606.90 is: 621,945.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,405.58 : 1,970,220.15 = 414,606.90 : x
  2. Step 2: Convert to fraction form
    1,313,405.58/1,970,220.15 = 414,606.90/x
  3. Step 3: Cross multiply
    1,313,405.58x = 1,970,220.15 × 414,606.90
  4. Step 4: Simplify right side
    1,313,405.58x = 816,866,868,709.04
  5. Step 5: Solve for x
    x = 816,866,868,709.04/1,313,405.58
  6. Step 6: Final answer
    x = 621,945.64

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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.