Home / 1,070,751.80-1,603,986.28-644,052

Finding the Fourth Proportional to 1,070,751.80, 1,603,986.28 and 644,052

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Solution

The fourth proportional to 1,070,751.80, 1,603,986.28 and 644,052 is: 964,789.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,751.80 : 1,603,986.28 = 644,052 : x
  2. Step 2: Convert to fraction form
    1,070,751.80/1,603,986.28 = 644,052/x
  3. Step 3: Cross multiply
    1,070,751.80x = 1,603,986.28 × 644,052
  4. Step 4: Simplify right side
    1,070,751.80x = 1,033,050,571,606.56
  5. Step 5: Solve for x
    x = 1,033,050,571,606.56/1,070,751.80
  6. Step 6: Final answer
    x = 964,789.95

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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.