Home / 1,500,623.76-2,250,270.54-1,078,128.24

Finding the Fourth Proportional to 1,500,623.76, 2,250,270.54 and 1,078,128.24

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Solution

The fourth proportional to 1,500,623.76, 2,250,270.54 and 1,078,128.24 is: 1,616,714.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,623.76 : 2,250,270.54 = 1,078,128.24 : x
  2. Step 2: Convert to fraction form
    1,500,623.76/2,250,270.54 = 1,078,128.24/x
  3. Step 3: Cross multiply
    1,500,623.76x = 2,250,270.54 × 1,078,128.24
  4. Step 4: Simplify right side
    1,500,623.76x = 2,426,080,216,814.05
  5. Step 5: Solve for x
    x = 2,426,080,216,814.05/1,500,623.76
  6. Step 6: Final answer
    x = 1,616,714.52

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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.