Home / 1,490,964.91-2,236,447.01-426,006.98

Finding the Fourth Proportional to 1,490,964.91, 2,236,447.01 and 426,006.98

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Solution

The fourth proportional to 1,490,964.91, 2,236,447.01 and 426,006.98 is: 639,010.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,964.91 : 2,236,447.01 = 426,006.98 : x
  2. Step 2: Convert to fraction form
    1,490,964.91/2,236,447.01 = 426,006.98/x
  3. Step 3: Cross multiply
    1,490,964.91x = 2,236,447.01 × 426,006.98
  4. Step 4: Simplify right side
    1,490,964.91x = 952,742,036,660.13
  5. Step 5: Solve for x
    x = 952,742,036,660.13/1,490,964.91
  6. Step 6: Final answer
    x = 639,010.37

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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.