Home / 1,555,905.20-2,333,857.80-608,961.20

Finding the Fourth Proportional to 1,555,905.20, 2,333,857.80 and 608,961.20

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Solution

The fourth proportional to 1,555,905.20, 2,333,857.80 and 608,961.20 is: 913,441.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,905.20 : 2,333,857.80 = 608,961.20 : x
  2. Step 2: Convert to fraction form
    1,555,905.20/2,333,857.80 = 608,961.20/x
  3. Step 3: Cross multiply
    1,555,905.20x = 2,333,857.80 × 608,961.20
  4. Step 4: Simplify right side
    1,555,905.20x = 1,421,228,846,517.36
  5. Step 5: Solve for x
    x = 1,421,228,846,517.36/1,555,905.20
  6. Step 6: Final answer
    x = 913,441.80

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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.