Home / 1,510,215.90-2,265,674.49-499,276.86

Finding the Fourth Proportional to 1,510,215.90, 2,265,674.49 and 499,276.86

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Solution

The fourth proportional to 1,510,215.90, 2,265,674.49 and 499,276.86 is: 749,031.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,215.90 : 2,265,674.49 = 499,276.86 : x
  2. Step 2: Convert to fraction form
    1,510,215.90/2,265,674.49 = 499,276.86/x
  3. Step 3: Cross multiply
    1,510,215.90x = 2,265,674.49 × 499,276.86
  4. Step 4: Simplify right side
    1,510,215.90x = 1,131,198,845,149.30
  5. Step 5: Solve for x
    x = 1,131,198,845,149.30/1,510,215.90
  6. Step 6: Final answer
    x = 749,031.21

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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.