Home / 1,144,013.87-1,578,739.34-634,715.03

Finding the Fourth Proportional to 1,144,013.87, 1,578,739.34 and 634,715.03

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Solution

The fourth proportional to 1,144,013.87, 1,578,739.34 and 634,715.03 is: 875,906.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,013.87 : 1,578,739.34 = 634,715.03 : x
  2. Step 2: Convert to fraction form
    1,144,013.87/1,578,739.34 = 634,715.03/x
  3. Step 3: Cross multiply
    1,144,013.87x = 1,578,739.34 × 634,715.03
  4. Step 4: Simplify right side
    1,144,013.87x = 1,002,049,587,550.28
  5. Step 5: Solve for x
    x = 1,002,049,587,550.28/1,144,013.87
  6. Step 6: Final answer
    x = 875,906.85

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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.