Home / 1,095,311.43-1,638,970.61-646,247.43

Finding the Fourth Proportional to 1,095,311.43, 1,638,970.61 and 646,247.43

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Solution

The fourth proportional to 1,095,311.43, 1,638,970.61 and 646,247.43 is: 967,013.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,311.43 : 1,638,970.61 = 646,247.43 : x
  2. Step 2: Convert to fraction form
    1,095,311.43/1,638,970.61 = 646,247.43/x
  3. Step 3: Cross multiply
    1,095,311.43x = 1,638,970.61 × 646,247.43
  4. Step 4: Simplify right side
    1,095,311.43x = 1,059,180,541,326.80
  5. Step 5: Solve for x
    x = 1,059,180,541,326.80/1,095,311.43
  6. Step 6: Final answer
    x = 967,013.14

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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.