Home / 1,380,488.07-1,905,055.35-799,790.37

Finding the Fourth Proportional to 1,380,488.07, 1,905,055.35 and 799,790.37

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Solution

The fourth proportional to 1,380,488.07, 1,905,055.35 and 799,790.37 is: 1,103,700.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,488.07 : 1,905,055.35 = 799,790.37 : x
  2. Step 2: Convert to fraction form
    1,380,488.07/1,905,055.35 = 799,790.37/x
  3. Step 3: Cross multiply
    1,380,488.07x = 1,905,055.35 × 799,790.37
  4. Step 4: Simplify right side
    1,380,488.07x = 1,523,644,923,246.98
  5. Step 5: Solve for x
    x = 1,523,644,923,246.98/1,380,488.07
  6. Step 6: Final answer
    x = 1,103,700.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.