Home / 1,109,809.70-1,664,714.55-361,855.70

Finding the Fourth Proportional to 1,109,809.70, 1,664,714.55 and 361,855.70

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Solution

The fourth proportional to 1,109,809.70, 1,664,714.55 and 361,855.70 is: 542,783.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,809.70 : 1,664,714.55 = 361,855.70 : x
  2. Step 2: Convert to fraction form
    1,109,809.70/1,664,714.55 = 361,855.70/x
  3. Step 3: Cross multiply
    1,109,809.70x = 1,664,714.55 × 361,855.70
  4. Step 4: Simplify right side
    1,109,809.70x = 602,386,448,790.44
  5. Step 5: Solve for x
    x = 602,386,448,790.44/1,109,809.70
  6. Step 6: Final answer
    x = 542,783.55

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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.