Home / 1,112,456.40-1,669,340.70-734,469.90

Finding the Fourth Proportional to 1,112,456.40, 1,669,340.70 and 734,469.90

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Solution

The fourth proportional to 1,112,456.40, 1,669,340.70 and 734,469.90 is: 1,102,138.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,456.40 : 1,669,340.70 = 734,469.90 : x
  2. Step 2: Convert to fraction form
    1,112,456.40/1,669,340.70 = 734,469.90/x
  3. Step 3: Cross multiply
    1,112,456.40x = 1,669,340.70 × 734,469.90
  4. Step 4: Simplify right side
    1,112,456.40x = 1,226,080,496,994.93
  5. Step 5: Solve for x
    x = 1,226,080,496,994.93/1,112,456.40
  6. Step 6: Final answer
    x = 1,102,138.02

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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.