Home / 1,493,277.66-2,240,248.19-428,237.82

Finding the Fourth Proportional to 1,493,277.66, 2,240,248.19 and 428,237.82

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Solution

The fourth proportional to 1,493,277.66, 2,240,248.19 and 428,237.82 is: 642,451.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,277.66 : 2,240,248.19 = 428,237.82 : x
  2. Step 2: Convert to fraction form
    1,493,277.66/2,240,248.19 = 428,237.82/x
  3. Step 3: Cross multiply
    1,493,277.66x = 2,240,248.19 × 428,237.82
  4. Step 4: Simplify right side
    1,493,277.66x = 959,358,999,003.36
  5. Step 5: Solve for x
    x = 959,358,999,003.36/1,493,277.66
  6. Step 6: Final answer
    x = 642,451.85

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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.