Home / 1,490,964.32-2,236,446.12-426,006.39

Finding the Fourth Proportional to 1,490,964.32, 2,236,446.12 and 426,006.39

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Solution

The fourth proportional to 1,490,964.32, 2,236,446.12 and 426,006.39 is: 639,009.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,964.32 : 2,236,446.12 = 426,006.39 : x
  2. Step 2: Convert to fraction form
    1,490,964.32/2,236,446.12 = 426,006.39/x
  3. Step 3: Cross multiply
    1,490,964.32x = 2,236,446.12 × 426,006.39
  4. Step 4: Simplify right side
    1,490,964.32x = 952,740,338,010.71
  5. Step 5: Solve for x
    x = 952,740,338,010.71/1,490,964.32
  6. Step 6: Final answer
    x = 639,009.48

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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.