Home / 1,069,514.30-1,603,191.26-670,434.80

Finding the Fourth Proportional to 1,069,514.30, 1,603,191.26 and 670,434.80

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Solution

The fourth proportional to 1,069,514.30, 1,603,191.26 and 670,434.80 is: 1,004,975.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,514.30 : 1,603,191.26 = 670,434.80 : x
  2. Step 2: Convert to fraction form
    1,069,514.30/1,603,191.26 = 670,434.80/x
  3. Step 3: Cross multiply
    1,069,514.30x = 1,603,191.26 × 670,434.80
  4. Step 4: Simplify right side
    1,069,514.30x = 1,074,835,211,759.85
  5. Step 5: Solve for x
    x = 1,074,835,211,759.85/1,069,514.30
  6. Step 6: Final answer
    x = 1,004,975.07

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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.