Home / 1,230,216.40-1,845,324.60-388,768.15

Finding the Fourth Proportional to 1,230,216.40, 1,845,324.60 and 388,768.15

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Solution

The fourth proportional to 1,230,216.40, 1,845,324.60 and 388,768.15 is: 583,152.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,216.40 : 1,845,324.60 = 388,768.15 : x
  2. Step 2: Convert to fraction form
    1,230,216.40/1,845,324.60 = 388,768.15/x
  3. Step 3: Cross multiply
    1,230,216.40x = 1,845,324.60 × 388,768.15
  4. Step 4: Simplify right side
    1,230,216.40x = 717,403,430,891.49
  5. Step 5: Solve for x
    x = 717,403,430,891.49/1,230,216.40
  6. Step 6: Final answer
    x = 583,152.23

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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.