Home / 1,303,614.20-1,955,421.30-855,716.60

Finding the Fourth Proportional to 1,303,614.20, 1,955,421.30 and 855,716.60

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Solution

The fourth proportional to 1,303,614.20, 1,955,421.30 and 855,716.60 is: 1,283,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,614.20 : 1,955,421.30 = 855,716.60 : x
  2. Step 2: Convert to fraction form
    1,303,614.20/1,955,421.30 = 855,716.60/x
  3. Step 3: Cross multiply
    1,303,614.20x = 1,955,421.30 × 855,716.60
  4. Step 4: Simplify right side
    1,303,614.20x = 1,673,286,466,403.58
  5. Step 5: Solve for x
    x = 1,673,286,466,403.58/1,303,614.20
  6. Step 6: Final answer
    x = 1,283,574.90

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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.