Home / 1,208,306.22-1,812,539.43-355,454.34

Finding the Fourth Proportional to 1,208,306.22, 1,812,539.43 and 355,454.34

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Solution

The fourth proportional to 1,208,306.22, 1,812,539.43 and 355,454.34 is: 533,205.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,306.22 : 1,812,539.43 = 355,454.34 : x
  2. Step 2: Convert to fraction form
    1,208,306.22/1,812,539.43 = 355,454.34/x
  3. Step 3: Cross multiply
    1,208,306.22x = 1,812,539.43 × 355,454.34
  4. Step 4: Simplify right side
    1,208,306.22x = 644,275,006,814.63
  5. Step 5: Solve for x
    x = 644,275,006,814.63/1,208,306.22
  6. Step 6: Final answer
    x = 533,205.07

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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.