Home / 989,748.69-1,485,369.39-724,194.33

Finding the Fourth Proportional to 989,748.69, 1,485,369.39 and 724,194.33

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Solution

The fourth proportional to 989,748.69, 1,485,369.39 and 724,194.33 is: 1,086,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,748.69 : 1,485,369.39 = 724,194.33 : x
  2. Step 2: Convert to fraction form
    989,748.69/1,485,369.39 = 724,194.33/x
  3. Step 3: Cross multiply
    989,748.69x = 1,485,369.39 × 724,194.33
  4. Step 4: Simplify right side
    989,748.69x = 1,075,696,090,193.56
  5. Step 5: Solve for x
    x = 1,075,696,090,193.56/989,748.69
  6. Step 6: Final answer
    x = 1,086,837.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.