Home / 1,206,327.40-1,806,866.70-970,131.40

Finding the Fourth Proportional to 1,206,327.40, 1,806,866.70 and 970,131.40

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Solution

The fourth proportional to 1,206,327.40, 1,806,866.70 and 970,131.40 is: 1,453,086.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,327.40 : 1,806,866.70 = 970,131.40 : x
  2. Step 2: Convert to fraction form
    1,206,327.40/1,806,866.70 = 970,131.40/x
  3. Step 3: Cross multiply
    1,206,327.40x = 1,806,866.70 × 970,131.40
  4. Step 4: Simplify right side
    1,206,327.40x = 1,752,898,121,284.38
  5. Step 5: Solve for x
    x = 1,752,898,121,284.38/1,206,327.40
  6. Step 6: Final answer
    x = 1,453,086.55

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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.