Home / 1,518,714.90-2,278,400.40-453,864.60

Finding the Fourth Proportional to 1,518,714.90, 2,278,400.40 and 453,864.60

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Solution

The fourth proportional to 1,518,714.90, 2,278,400.40 and 453,864.60 is: 680,894.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,714.90 : 2,278,400.40 = 453,864.60 : x
  2. Step 2: Convert to fraction form
    1,518,714.90/2,278,400.40 = 453,864.60/x
  3. Step 3: Cross multiply
    1,518,714.90x = 2,278,400.40 × 453,864.60
  4. Step 4: Simplify right side
    1,518,714.90x = 1,034,085,286,185.84
  5. Step 5: Solve for x
    x = 1,034,085,286,185.84/1,518,714.90
  6. Step 6: Final answer
    x = 680,894.94

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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.