Home / 1,335,324.96-2,003,315.76-388,703.88

Finding the Fourth Proportional to 1,335,324.96, 2,003,315.76 and 388,703.88

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Solution

The fourth proportional to 1,335,324.96, 2,003,315.76 and 388,703.88 is: 583,151.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,324.96 : 2,003,315.76 = 388,703.88 : x
  2. Step 2: Convert to fraction form
    1,335,324.96/2,003,315.76 = 388,703.88/x
  3. Step 3: Cross multiply
    1,335,324.96x = 2,003,315.76 × 388,703.88
  4. Step 4: Simplify right side
    1,335,324.96x = 778,696,608,777.15
  5. Step 5: Solve for x
    x = 778,696,608,777.15/1,335,324.96
  6. Step 6: Final answer
    x = 583,151.39

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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.