Home / 1,314,563.87-1,971,845.81-317,291.87

Finding the Fourth Proportional to 1,314,563.87, 1,971,845.81 and 317,291.87

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Solution

The fourth proportional to 1,314,563.87, 1,971,845.81 and 317,291.87 is: 475,937.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,563.87 : 1,971,845.81 = 317,291.87 : x
  2. Step 2: Convert to fraction form
    1,314,563.87/1,971,845.81 = 317,291.87/x
  3. Step 3: Cross multiply
    1,314,563.87x = 1,971,845.81 × 317,291.87
  4. Step 4: Simplify right side
    1,314,563.87x = 625,650,644,406.57
  5. Step 5: Solve for x
    x = 625,650,644,406.57/1,314,563.87
  6. Step 6: Final answer
    x = 475,937.81

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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.