Home / 1,405,209.17-2,107,872.03-407,937.17

Finding the Fourth Proportional to 1,405,209.17, 2,107,872.03 and 407,937.17

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Solution

The fourth proportional to 1,405,209.17, 2,107,872.03 and 407,937.17 is: 611,922.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,209.17 : 2,107,872.03 = 407,937.17 : x
  2. Step 2: Convert to fraction form
    1,405,209.17/2,107,872.03 = 407,937.17/x
  3. Step 3: Cross multiply
    1,405,209.17x = 2,107,872.03 × 407,937.17
  4. Step 4: Simplify right side
    1,405,209.17x = 859,879,350,640.36
  5. Step 5: Solve for x
    x = 859,879,350,640.36/1,405,209.17
  6. Step 6: Final answer
    x = 611,922.67

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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.