Home / 1,013,495.22-1,398,623.31-554,609.88

Finding the Fourth Proportional to 1,013,495.22, 1,398,623.31 and 554,609.88

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Solution

The fourth proportional to 1,013,495.22, 1,398,623.31 and 554,609.88 is: 765,361.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,495.22 : 1,398,623.31 = 554,609.88 : x
  2. Step 2: Convert to fraction form
    1,013,495.22/1,398,623.31 = 554,609.88/x
  3. Step 3: Cross multiply
    1,013,495.22x = 1,398,623.31 × 554,609.88
  4. Step 4: Simplify right side
    1,013,495.22x = 775,690,306,124.30
  5. Step 5: Solve for x
    x = 775,690,306,124.30/1,013,495.22
  6. Step 6: Final answer
    x = 765,361.58

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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.