Home / 1,090,821.31-1,636,343.92-417,469.03

Finding the Fourth Proportional to 1,090,821.31, 1,636,343.92 and 417,469.03

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Solution

The fourth proportional to 1,090,821.31, 1,636,343.92 and 417,469.03 is: 626,246.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,821.31 : 1,636,343.92 = 417,469.03 : x
  2. Step 2: Convert to fraction form
    1,090,821.31/1,636,343.92 = 417,469.03/x
  3. Step 3: Cross multiply
    1,090,821.31x = 1,636,343.92 × 417,469.03
  4. Step 4: Simplify right side
    1,090,821.31x = 683,122,900,847.08
  5. Step 5: Solve for x
    x = 683,122,900,847.08/1,090,821.31
  6. Step 6: Final answer
    x = 626,246.39

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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.