Home / 1,013,029.20-1,519,543.80-776,833.20

Finding the Fourth Proportional to 1,013,029.20, 1,519,543.80 and 776,833.20

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Solution

The fourth proportional to 1,013,029.20, 1,519,543.80 and 776,833.20 is: 1,165,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,029.20 : 1,519,543.80 = 776,833.20 : x
  2. Step 2: Convert to fraction form
    1,013,029.20/1,519,543.80 = 776,833.20/x
  3. Step 3: Cross multiply
    1,013,029.20x = 1,519,543.80 × 776,833.20
  4. Step 4: Simplify right side
    1,013,029.20x = 1,180,432,072,694.16
  5. Step 5: Solve for x
    x = 1,180,432,072,694.16/1,013,029.20
  6. Step 6: Final answer
    x = 1,165,249.80

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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.