Home / 1,405,895.10-2,108,841.96-340,936.98

Finding the Fourth Proportional to 1,405,895.10, 2,108,841.96 and 340,936.98

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Solution

The fourth proportional to 1,405,895.10, 2,108,841.96 and 340,936.98 is: 511,405.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,895.10 : 2,108,841.96 = 340,936.98 : x
  2. Step 2: Convert to fraction form
    1,405,895.10/2,108,841.96 = 340,936.98/x
  3. Step 3: Cross multiply
    1,405,895.10x = 2,108,841.96 × 340,936.98
  4. Step 4: Simplify right side
    1,405,895.10x = 718,982,209,139.68
  5. Step 5: Solve for x
    x = 718,982,209,139.68/1,405,895.10
  6. Step 6: Final answer
    x = 511,405.30

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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.