Home / 1,017,689.99-1,526,711.02-343,776.20

Finding the Fourth Proportional to 1,017,689.99, 1,526,711.02 and 343,776.20

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Solution

The fourth proportional to 1,017,689.99, 1,526,711.02 and 343,776.20 is: 515,723.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,689.99 : 1,526,711.02 = 343,776.20 : x
  2. Step 2: Convert to fraction form
    1,017,689.99/1,526,711.02 = 343,776.20/x
  3. Step 3: Cross multiply
    1,017,689.99x = 1,526,711.02 × 343,776.20
  4. Step 4: Simplify right side
    1,017,689.99x = 524,846,904,460.73
  5. Step 5: Solve for x
    x = 524,846,904,460.73/1,017,689.99
  6. Step 6: Final answer
    x = 515,723.76

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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.