Home / 1,000,548.72-1,380,772.44-547,881.84

Finding the Fourth Proportional to 1,000,548.72, 1,380,772.44 and 547,881.84

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Solution

The fourth proportional to 1,000,548.72, 1,380,772.44 and 547,881.84 is: 756,085.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,548.72 : 1,380,772.44 = 547,881.84 : x
  2. Step 2: Convert to fraction form
    1,000,548.72/1,380,772.44 = 547,881.84/x
  3. Step 3: Cross multiply
    1,000,548.72x = 1,380,772.44 × 547,881.84
  4. Step 4: Simplify right side
    1,000,548.72x = 756,500,145,048.49
  5. Step 5: Solve for x
    x = 756,500,145,048.49/1,000,548.72
  6. Step 6: Final answer
    x = 756,085.27

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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.