Home / 1,345,915.80-2,014,131.24-840,714.71

Finding the Fourth Proportional to 1,345,915.80, 2,014,131.24 and 840,714.71

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Solution

The fourth proportional to 1,345,915.80, 2,014,131.24 and 840,714.71 is: 1,258,109.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,915.80 : 2,014,131.24 = 840,714.71 : x
  2. Step 2: Convert to fraction form
    1,345,915.80/2,014,131.24 = 840,714.71/x
  3. Step 3: Cross multiply
    1,345,915.80x = 2,014,131.24 × 840,714.71
  4. Step 4: Simplify right side
    1,345,915.80x = 1,693,309,751,267.88
  5. Step 5: Solve for x
    x = 1,693,309,751,267.88/1,345,915.80
  6. Step 6: Final answer
    x = 1,258,109.72

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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.