Home / 1,431,636.26-2,147,342.72-832,215.10

Finding the Fourth Proportional to 1,431,636.26, 2,147,342.72 and 832,215.10

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Solution

The fourth proportional to 1,431,636.26, 2,147,342.72 and 832,215.10 is: 1,248,257.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,636.26 : 2,147,342.72 = 832,215.10 : x
  2. Step 2: Convert to fraction form
    1,431,636.26/2,147,342.72 = 832,215.10/x
  3. Step 3: Cross multiply
    1,431,636.26x = 2,147,342.72 × 832,215.10
  4. Step 4: Simplify right side
    1,431,636.26x = 1,787,051,036,459.07
  5. Step 5: Solve for x
    x = 1,787,051,036,459.07/1,431,636.26
  6. Step 6: Final answer
    x = 1,248,257.74

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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.