Home / 1,231,146.09-1,846,626.93-432,434.70

Finding the Fourth Proportional to 1,231,146.09, 1,846,626.93 and 432,434.70

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Solution

The fourth proportional to 1,231,146.09, 1,846,626.93 and 432,434.70 is: 648,619.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,146.09 : 1,846,626.93 = 432,434.70 : x
  2. Step 2: Convert to fraction form
    1,231,146.09/1,846,626.93 = 432,434.70/x
  3. Step 3: Cross multiply
    1,231,146.09x = 1,846,626.93 × 432,434.70
  4. Step 4: Simplify right side
    1,231,146.09x = 798,545,562,486.47
  5. Step 5: Solve for x
    x = 798,545,562,486.47/1,231,146.09
  6. Step 6: Final answer
    x = 648,619.66

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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.