Home / 1,021,375-1,409,507.22-568,675.72

Finding the Fourth Proportional to 1,021,375, 1,409,507.22 and 568,675.72

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Solution

The fourth proportional to 1,021,375, 1,409,507.22 and 568,675.72 is: 784,777.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,375 : 1,409,507.22 = 568,675.72 : x
  2. Step 2: Convert to fraction form
    1,021,375/1,409,507.22 = 568,675.72/x
  3. Step 3: Cross multiply
    1,021,375x = 1,409,507.22 × 568,675.72
  4. Step 4: Simplify right side
    1,021,375x = 801,552,533,178.70
  5. Step 5: Solve for x
    x = 801,552,533,178.70/1,021,375
  6. Step 6: Final answer
    x = 784,777.91

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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.