Home / 1,091,855.92-1,636,675.80-417,764.20

Finding the Fourth Proportional to 1,091,855.92, 1,636,675.80 and 417,764.20

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Solution

The fourth proportional to 1,091,855.92, 1,636,675.80 and 417,764.20 is: 626,222.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,855.92 : 1,636,675.80 = 417,764.20 : x
  2. Step 2: Convert to fraction form
    1,091,855.92/1,636,675.80 = 417,764.20/x
  3. Step 3: Cross multiply
    1,091,855.92x = 1,636,675.80 × 417,764.20
  4. Step 4: Simplify right side
    1,091,855.92x = 683,744,556,246.36
  5. Step 5: Solve for x
    x = 683,744,556,246.36/1,091,855.92
  6. Step 6: Final answer
    x = 626,222.33

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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.