Home / 1,145,018.88-1,580,052.92-635,721.12

Finding the Fourth Proportional to 1,145,018.88, 1,580,052.92 and 635,721.12

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Solution

The fourth proportional to 1,145,018.88, 1,580,052.92 and 635,721.12 is: 877,254.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,018.88 : 1,580,052.92 = 635,721.12 : x
  2. Step 2: Convert to fraction form
    1,145,018.88/1,580,052.92 = 635,721.12/x
  3. Step 3: Cross multiply
    1,145,018.88x = 1,580,052.92 × 635,721.12
  4. Step 4: Simplify right side
    1,145,018.88x = 1,004,473,011,961.67
  5. Step 5: Solve for x
    x = 1,004,473,011,961.67/1,145,018.88
  6. Step 6: Final answer
    x = 877,254.54

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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.