Home / 1,314,299.76-1,971,451.80-317,027.76

Finding the Fourth Proportional to 1,314,299.76, 1,971,451.80 and 317,027.76

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Solution

The fourth proportional to 1,314,299.76, 1,971,451.80 and 317,027.76 is: 475,542.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,299.76 : 1,971,451.80 = 317,027.76 : x
  2. Step 2: Convert to fraction form
    1,314,299.76/1,971,451.80 = 317,027.76/x
  3. Step 3: Cross multiply
    1,314,299.76x = 1,971,451.80 × 317,027.76
  4. Step 4: Simplify right side
    1,314,299.76x = 625,004,948,101.97
  5. Step 5: Solve for x
    x = 625,004,948,101.97/1,314,299.76
  6. Step 6: Final answer
    x = 475,542.16

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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.