Home / 1,021,998.86-1,410,390.40-586,495.88

Finding the Fourth Proportional to 1,021,998.86, 1,410,390.40 and 586,495.88

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Solution

The fourth proportional to 1,021,998.86, 1,410,390.40 and 586,495.88 is: 809,382.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,998.86 : 1,410,390.40 = 586,495.88 : x
  2. Step 2: Convert to fraction form
    1,021,998.86/1,410,390.40 = 586,495.88/x
  3. Step 3: Cross multiply
    1,021,998.86x = 1,410,390.40 × 586,495.88
  4. Step 4: Simplify right side
    1,021,998.86x = 827,188,158,791.55
  5. Step 5: Solve for x
    x = 827,188,158,791.55/1,021,998.86
  6. Step 6: Final answer
    x = 809,382.66

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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.