Home / 1,145,289.86-1,580,502.84-635,992.22

Finding the Fourth Proportional to 1,145,289.86, 1,580,502.84 and 635,992.22

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Solution

The fourth proportional to 1,145,289.86, 1,580,502.84 and 635,992.22 is: 877,670.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,289.86 : 1,580,502.84 = 635,992.22 : x
  2. Step 2: Convert to fraction form
    1,145,289.86/1,580,502.84 = 635,992.22/x
  3. Step 3: Cross multiply
    1,145,289.86x = 1,580,502.84 × 635,992.22
  4. Step 4: Simplify right side
    1,145,289.86x = 1,005,187,509,927.90
  5. Step 5: Solve for x
    x = 1,005,187,509,927.90/1,145,289.86
  6. Step 6: Final answer
    x = 877,670.84

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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.