Home / 1,220,933.69-1,831,151.13-462,513.68

Finding the Fourth Proportional to 1,220,933.69, 1,831,151.13 and 462,513.68

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Solution

The fourth proportional to 1,220,933.69, 1,831,151.13 and 462,513.68 is: 693,676.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,933.69 : 1,831,151.13 = 462,513.68 : x
  2. Step 2: Convert to fraction form
    1,220,933.69/1,831,151.13 = 462,513.68/x
  3. Step 3: Cross multiply
    1,220,933.69x = 1,831,151.13 × 462,513.68
  4. Step 4: Simplify right side
    1,220,933.69x = 846,932,438,616.70
  5. Step 5: Solve for x
    x = 846,932,438,616.70/1,220,933.69
  6. Step 6: Final answer
    x = 693,676.04

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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.