Home / 1,314,300.76-1,971,453.30-317,028.76

Finding the Fourth Proportional to 1,314,300.76, 1,971,453.30 and 317,028.76

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Solution

The fourth proportional to 1,314,300.76, 1,971,453.30 and 317,028.76 is: 475,543.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,300.76 : 1,971,453.30 = 317,028.76 : x
  2. Step 2: Convert to fraction form
    1,314,300.76/1,971,453.30 = 317,028.76/x
  3. Step 3: Cross multiply
    1,314,300.76x = 1,971,453.30 × 317,028.76
  4. Step 4: Simplify right side
    1,314,300.76x = 625,007,395,096.91
  5. Step 5: Solve for x
    x = 625,007,395,096.91/1,314,300.76
  6. Step 6: Final answer
    x = 475,543.66

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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.