Home / 1,465,083.85-2,021,719.44-820,356.25

Finding the Fourth Proportional to 1,465,083.85, 2,021,719.44 and 820,356.25

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Solution

The fourth proportional to 1,465,083.85, 2,021,719.44 and 820,356.25 is: 1,132,037.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,083.85 : 2,021,719.44 = 820,356.25 : x
  2. Step 2: Convert to fraction form
    1,465,083.85/2,021,719.44 = 820,356.25/x
  3. Step 3: Cross multiply
    1,465,083.85x = 2,021,719.44 × 820,356.25
  4. Step 4: Simplify right side
    1,465,083.85x = 1,658,530,178,350.50
  5. Step 5: Solve for x
    x = 1,658,530,178,350.50/1,465,083.85
  6. Step 6: Final answer
    x = 1,132,037.72

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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.