Home / 1,490,964.28-2,236,446.07-426,006.36

Finding the Fourth Proportional to 1,490,964.28, 2,236,446.07 and 426,006.36

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Solution

The fourth proportional to 1,490,964.28, 2,236,446.07 and 426,006.36 is: 639,009.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,964.28 : 2,236,446.07 = 426,006.36 : x
  2. Step 2: Convert to fraction form
    1,490,964.28/2,236,446.07 = 426,006.36/x
  3. Step 3: Cross multiply
    1,490,964.28x = 2,236,446.07 × 426,006.36
  4. Step 4: Simplify right side
    1,490,964.28x = 952,740,237,369.76
  5. Step 5: Solve for x
    x = 952,740,237,369.76/1,490,964.28
  6. Step 6: Final answer
    x = 639,009.43

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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.