Home / 1,314,562.87-1,971,844.31-317,290.87

Finding the Fourth Proportional to 1,314,562.87, 1,971,844.31 and 317,290.87

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Solution

The fourth proportional to 1,314,562.87, 1,971,844.31 and 317,290.87 is: 475,936.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,562.87 : 1,971,844.31 = 317,290.87 : x
  2. Step 2: Convert to fraction form
    1,314,562.87/1,971,844.31 = 317,290.87/x
  3. Step 3: Cross multiply
    1,314,562.87x = 1,971,844.31 × 317,290.87
  4. Step 4: Simplify right side
    1,314,562.87x = 625,648,198,097.72
  5. Step 5: Solve for x
    x = 625,648,198,097.72/1,314,562.87
  6. Step 6: Final answer
    x = 475,936.31

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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.