Home / 1,067,479.70-1,472,976.50-637,668.59

Finding the Fourth Proportional to 1,067,479.70, 1,472,976.50 and 637,668.59

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Solution

The fourth proportional to 1,067,479.70, 1,472,976.50 and 637,668.59 is: 879,895.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,479.70 : 1,472,976.50 = 637,668.59 : x
  2. Step 2: Convert to fraction form
    1,067,479.70/1,472,976.50 = 637,668.59/x
  3. Step 3: Cross multiply
    1,067,479.70x = 1,472,976.50 × 637,668.59
  4. Step 4: Simplify right side
    1,067,479.70x = 939,270,837,304.91
  5. Step 5: Solve for x
    x = 939,270,837,304.91/1,067,479.70
  6. Step 6: Final answer
    x = 879,895.74

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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.