Home / 1,029,209.69-1,420,309.49-576,500.69

Finding the Fourth Proportional to 1,029,209.69, 1,420,309.49 and 576,500.69

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Solution

The fourth proportional to 1,029,209.69, 1,420,309.49 and 576,500.69 is: 795,571.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,209.69 : 1,420,309.49 = 576,500.69 : x
  2. Step 2: Convert to fraction form
    1,029,209.69/1,420,309.49 = 576,500.69/x
  3. Step 3: Cross multiply
    1,029,209.69x = 1,420,309.49 × 576,500.69
  4. Step 4: Simplify right side
    1,029,209.69x = 818,809,401,666.82
  5. Step 5: Solve for x
    x = 818,809,401,666.82/1,029,209.69
  6. Step 6: Final answer
    x = 795,571.02

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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.