Home / 1,345,674.16-2,018,900.85-399,067.66

Finding the Fourth Proportional to 1,345,674.16, 2,018,900.85 and 399,067.66

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Solution

The fourth proportional to 1,345,674.16, 2,018,900.85 and 399,067.66 is: 598,717.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,674.16 : 2,018,900.85 = 399,067.66 : x
  2. Step 2: Convert to fraction form
    1,345,674.16/2,018,900.85 = 399,067.66/x
  3. Step 3: Cross multiply
    1,345,674.16x = 2,018,900.85 × 399,067.66
  4. Step 4: Simplify right side
    1,345,674.16x = 805,678,025,891.67
  5. Step 5: Solve for x
    x = 805,678,025,891.67/1,345,674.16
  6. Step 6: Final answer
    x = 598,717.02

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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.