Home / 1,138,732.24-1,571,289.90-648,714.64

Finding the Fourth Proportional to 1,138,732.24, 1,571,289.90 and 648,714.64

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Solution

The fourth proportional to 1,138,732.24, 1,571,289.90 and 648,714.64 is: 895,134.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,732.24 : 1,571,289.90 = 648,714.64 : x
  2. Step 2: Convert to fraction form
    1,138,732.24/1,571,289.90 = 648,714.64/x
  3. Step 3: Cross multiply
    1,138,732.24x = 1,571,289.90 × 648,714.64
  4. Step 4: Simplify right side
    1,138,732.24x = 1,019,318,761,814.14
  5. Step 5: Solve for x
    x = 1,019,318,761,814.14/1,138,732.24
  6. Step 6: Final answer
    x = 895,134.72

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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.