Home / 1,405,292.59-2,107,623.66-646,405.26

Finding the Fourth Proportional to 1,405,292.59, 2,107,623.66 and 646,405.26

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Solution

The fourth proportional to 1,405,292.59, 2,107,623.66 and 646,405.26 is: 969,462.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,292.59 : 2,107,623.66 = 646,405.26 : x
  2. Step 2: Convert to fraction form
    1,405,292.59/2,107,623.66 = 646,405.26/x
  3. Step 3: Cross multiply
    1,405,292.59x = 2,107,623.66 × 646,405.26
  4. Step 4: Simplify right side
    1,405,292.59x = 1,362,379,019,924.45
  5. Step 5: Solve for x
    x = 1,362,379,019,924.45/1,405,292.59
  6. Step 6: Final answer
    x = 969,462.89

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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.