Home / 1,018,679.49-1,405,471.13-610,632.45

Finding the Fourth Proportional to 1,018,679.49, 1,405,471.13 and 610,632.45

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Solution

The fourth proportional to 1,018,679.49, 1,405,471.13 and 610,632.45 is: 842,489.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,679.49 : 1,405,471.13 = 610,632.45 : x
  2. Step 2: Convert to fraction form
    1,018,679.49/1,405,471.13 = 610,632.45/x
  3. Step 3: Cross multiply
    1,018,679.49x = 1,405,471.13 × 610,632.45
  4. Step 4: Simplify right side
    1,018,679.49x = 858,226,278,752.88
  5. Step 5: Solve for x
    x = 858,226,278,752.88/1,018,679.49
  6. Step 6: Final answer
    x = 842,489.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.