Home / 1,534,321.30-2,301,478.70-412,390.30

Finding the Fourth Proportional to 1,534,321.30, 2,301,478.70 and 412,390.30

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Solution

The fourth proportional to 1,534,321.30, 2,301,478.70 and 412,390.30 is: 618,584.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534,321.30 : 2,301,478.70 = 412,390.30 : x
  2. Step 2: Convert to fraction form
    1,534,321.30/2,301,478.70 = 412,390.30/x
  3. Step 3: Cross multiply
    1,534,321.30x = 2,301,478.70 × 412,390.30
  4. Step 4: Simplify right side
    1,534,321.30x = 949,107,491,536.61
  5. Step 5: Solve for x
    x = 949,107,491,536.61/1,534,321.30
  6. Step 6: Final answer
    x = 618,584.58

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1.5x scale

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.