Home / 1,070,749.80-1,603,983.28-644,050

Finding the Fourth Proportional to 1,070,749.80, 1,603,983.28 and 644,050

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Solution

The fourth proportional to 1,070,749.80, 1,603,983.28 and 644,050 is: 964,786.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,749.80 : 1,603,983.28 = 644,050 : x
  2. Step 2: Convert to fraction form
    1,070,749.80/1,603,983.28 = 644,050/x
  3. Step 3: Cross multiply
    1,070,749.80x = 1,603,983.28 × 644,050
  4. Step 4: Simplify right side
    1,070,749.80x = 1,033,045,431,484
  5. Step 5: Solve for x
    x = 1,033,045,431,484/1,070,749.80
  6. Step 6: Final answer
    x = 964,786.95

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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.