Home / 1,685,491.35-2,528,310.87-487,534.77

Finding the Fourth Proportional to 1,685,491.35, 2,528,310.87 and 487,534.77

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Solution

The fourth proportional to 1,685,491.35, 2,528,310.87 and 487,534.77 is: 731,323.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,491.35 : 2,528,310.87 = 487,534.77 : x
  2. Step 2: Convert to fraction form
    1,685,491.35/2,528,310.87 = 487,534.77/x
  3. Step 3: Cross multiply
    1,685,491.35x = 2,528,310.87 × 487,534.77
  4. Step 4: Simplify right side
    1,685,491.35x = 1,232,639,458,493.95
  5. Step 5: Solve for x
    x = 1,232,639,458,493.95/1,685,491.35
  6. Step 6: Final answer
    x = 731,323.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.