Home / 1,174,255.12-1,620,480.38-637,711.12

Finding the Fourth Proportional to 1,174,255.12, 1,620,480.38 and 637,711.12

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Solution

The fourth proportional to 1,174,255.12, 1,620,480.38 and 637,711.12 is: 880,045.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,255.12 : 1,620,480.38 = 637,711.12 : x
  2. Step 2: Convert to fraction form
    1,174,255.12/1,620,480.38 = 637,711.12/x
  3. Step 3: Cross multiply
    1,174,255.12x = 1,620,480.38 × 637,711.12
  4. Step 4: Simplify right side
    1,174,255.12x = 1,033,398,358,067.83
  5. Step 5: Solve for x
    x = 1,033,398,358,067.83/1,174,255.12
  6. Step 6: Final answer
    x = 880,045.86

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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.