Home / 1,510,496.40-2,265,204.90-499,431.72

Finding the Fourth Proportional to 1,510,496.40, 2,265,204.90 and 499,431.72

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Solution

The fourth proportional to 1,510,496.40, 2,265,204.90 and 499,431.72 is: 748,969.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,496.40 : 2,265,204.90 = 499,431.72 : x
  2. Step 2: Convert to fraction form
    1,510,496.40/2,265,204.90 = 499,431.72/x
  3. Step 3: Cross multiply
    1,510,496.40x = 2,265,204.90 × 499,431.72
  4. Step 4: Simplify right side
    1,510,496.40x = 1,131,315,179,359.43
  5. Step 5: Solve for x
    x = 1,131,315,179,359.43/1,510,496.40
  6. Step 6: Final answer
    x = 748,969.13

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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.