Home / 1,493,175.60-2,240,051.40-640,234.80

Finding the Fourth Proportional to 1,493,175.60, 2,240,051.40 and 640,234.80

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Solution

The fourth proportional to 1,493,175.60, 2,240,051.40 and 640,234.80 is: 960,475.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,175.60 : 2,240,051.40 = 640,234.80 : x
  2. Step 2: Convert to fraction form
    1,493,175.60/2,240,051.40 = 640,234.80/x
  3. Step 3: Cross multiply
    1,493,175.60x = 2,240,051.40 × 640,234.80
  4. Step 4: Simplify right side
    1,493,175.60x = 1,434,158,860,068.72
  5. Step 5: Solve for x
    x = 1,434,158,860,068.72/1,493,175.60
  6. Step 6: Final answer
    x = 960,475.69

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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.