Home / 1,231,405.23-1,847,170.09-472,980.77

Finding the Fourth Proportional to 1,231,405.23, 1,847,170.09 and 472,980.77

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Solution

The fourth proportional to 1,231,405.23, 1,847,170.09 and 472,980.77 is: 709,495.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,405.23 : 1,847,170.09 = 472,980.77 : x
  2. Step 2: Convert to fraction form
    1,231,405.23/1,847,170.09 = 472,980.77/x
  3. Step 3: Cross multiply
    1,231,405.23x = 1,847,170.09 × 472,980.77
  4. Step 4: Simplify right side
    1,231,405.23x = 873,675,922,253.32
  5. Step 5: Solve for x
    x = 873,675,922,253.32/1,231,405.23
  6. Step 6: Final answer
    x = 709,495.06

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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.