Home / 999,175.69-1,378,828.33-569,594.22

Finding the Fourth Proportional to 999,175.69, 1,378,828.33 and 569,594.22

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Solution

The fourth proportional to 999,175.69, 1,378,828.33 and 569,594.22 is: 786,020.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,175.69 : 1,378,828.33 = 569,594.22 : x
  2. Step 2: Convert to fraction form
    999,175.69/1,378,828.33 = 569,594.22/x
  3. Step 3: Cross multiply
    999,175.69x = 1,378,828.33 × 569,594.22
  4. Step 4: Simplify right side
    999,175.69x = 785,372,647,140.25
  5. Step 5: Solve for x
    x = 785,372,647,140.25/999,175.69
  6. Step 6: Final answer
    x = 786,020.57

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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.