Home / 1,554,500.78-2,145,215.53-901,253.76

Finding the Fourth Proportional to 1,554,500.78, 2,145,215.53 and 901,253.76

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Solution

The fourth proportional to 1,554,500.78, 2,145,215.53 and 901,253.76 is: 1,243,732.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,500.78 : 2,145,215.53 = 901,253.76 : x
  2. Step 2: Convert to fraction form
    1,554,500.78/2,145,215.53 = 901,253.76/x
  3. Step 3: Cross multiply
    1,554,500.78x = 2,145,215.53 × 901,253.76
  4. Step 4: Simplify right side
    1,554,500.78x = 1,933,383,550,435.35
  5. Step 5: Solve for x
    x = 1,933,383,550,435.35/1,554,500.78
  6. Step 6: Final answer
    x = 1,243,732.76

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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.