Home / 1,345,882.32-2,018,512.26-399,024.72

Finding the Fourth Proportional to 1,345,882.32, 2,018,512.26 and 399,024.72

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Solution

The fourth proportional to 1,345,882.32, 2,018,512.26 and 399,024.72 is: 598,444.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,882.32 : 2,018,512.26 = 399,024.72 : x
  2. Step 2: Convert to fraction form
    1,345,882.32/2,018,512.26 = 399,024.72/x
  3. Step 3: Cross multiply
    1,345,882.32x = 2,018,512.26 × 399,024.72
  4. Step 4: Simplify right side
    1,345,882.32x = 805,436,289,363.07
  5. Step 5: Solve for x
    x = 805,436,289,363.07/1,345,882.32
  6. Step 6: Final answer
    x = 598,444.81

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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.