Home / 1,561,234.91-2,153,714.87-1,045,010.57

Finding the Fourth Proportional to 1,561,234.91, 2,153,714.87 and 1,045,010.57

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Solution

The fourth proportional to 1,561,234.91, 2,153,714.87 and 1,045,010.57 is: 1,441,586.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,234.91 : 2,153,714.87 = 1,045,010.57 : x
  2. Step 2: Convert to fraction form
    1,561,234.91/2,153,714.87 = 1,045,010.57/x
  3. Step 3: Cross multiply
    1,561,234.91x = 2,153,714.87 × 1,045,010.57
  4. Step 4: Simplify right side
    1,561,234.91x = 2,250,654,795,760.13
  5. Step 5: Solve for x
    x = 2,250,654,795,760.13/1,561,234.91
  6. Step 6: Final answer
    x = 1,441,586.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.