Home / 1,499,036.45-2,248,751.71-789,103.45

Finding the Fourth Proportional to 1,499,036.45, 2,248,751.71 and 789,103.45

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Solution

The fourth proportional to 1,499,036.45, 2,248,751.71 and 789,103.45 is: 1,183,758.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499,036.45 : 2,248,751.71 = 789,103.45 : x
  2. Step 2: Convert to fraction form
    1,499,036.45/2,248,751.71 = 789,103.45/x
  3. Step 3: Cross multiply
    1,499,036.45x = 2,248,751.71 × 789,103.45
  4. Step 4: Simplify right side
    1,499,036.45x = 1,774,497,721,310.64
  5. Step 5: Solve for x
    x = 1,774,497,721,310.64/1,499,036.45
  6. Step 6: Final answer
    x = 1,183,758.89

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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.