Home / 1,177,485.80-1,767,006.30-672,045.80

Finding the Fourth Proportional to 1,177,485.80, 1,767,006.30 and 672,045.80

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Solution

The fourth proportional to 1,177,485.80, 1,767,006.30 and 672,045.80 is: 1,008,512.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,485.80 : 1,767,006.30 = 672,045.80 : x
  2. Step 2: Convert to fraction form
    1,177,485.80/1,767,006.30 = 672,045.80/x
  3. Step 3: Cross multiply
    1,177,485.80x = 1,767,006.30 × 672,045.80
  4. Step 4: Simplify right side
    1,177,485.80x = 1,187,509,162,488.54
  5. Step 5: Solve for x
    x = 1,187,509,162,488.54/1,177,485.80
  6. Step 6: Final answer
    x = 1,008,512.51

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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.