Home / 1,405,294.59-2,107,626.66-646,407.27

Finding the Fourth Proportional to 1,405,294.59, 2,107,626.66 and 646,407.27

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Solution

The fourth proportional to 1,405,294.59, 2,107,626.66 and 646,407.27 is: 969,465.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,294.59 : 2,107,626.66 = 646,407.27 : x
  2. Step 2: Convert to fraction form
    1,405,294.59/2,107,626.66 = 646,407.27/x
  3. Step 3: Cross multiply
    1,405,294.59x = 2,107,626.66 × 646,407.27
  4. Step 4: Simplify right side
    1,405,294.59x = 1,362,385,195,469.82
  5. Step 5: Solve for x
    x = 1,362,385,195,469.82/1,405,294.59
  6. Step 6: Final answer
    x = 969,465.91

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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.