Home / 1,001,998.86-1,382,906.15-634,509.53

Finding the Fourth Proportional to 1,001,998.86, 1,382,906.15 and 634,509.53

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Solution

The fourth proportional to 1,001,998.86, 1,382,906.15 and 634,509.53 is: 875,716.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,998.86 : 1,382,906.15 = 634,509.53 : x
  2. Step 2: Convert to fraction form
    1,001,998.86/1,382,906.15 = 634,509.53/x
  3. Step 3: Cross multiply
    1,001,998.86x = 1,382,906.15 × 634,509.53
  4. Step 4: Simplify right side
    1,001,998.86x = 877,467,131,270.61
  5. Step 5: Solve for x
    x = 877,467,131,270.61/1,001,998.86
  6. Step 6: Final answer
    x = 875,716.70

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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.