Home / 1,028,144.37-1,418,891.67-569,309.72

Finding the Fourth Proportional to 1,028,144.37, 1,418,891.67 and 569,309.72

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Solution

The fourth proportional to 1,028,144.37, 1,418,891.67 and 569,309.72 is: 785,676.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,144.37 : 1,418,891.67 = 569,309.72 : x
  2. Step 2: Convert to fraction form
    1,028,144.37/1,418,891.67 = 569,309.72/x
  3. Step 3: Cross multiply
    1,028,144.37x = 1,418,891.67 × 569,309.72
  4. Step 4: Simplify right side
    1,028,144.37x = 807,788,812,263.57
  5. Step 5: Solve for x
    x = 807,788,812,263.57/1,028,144.37
  6. Step 6: Final answer
    x = 785,676.44

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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.