Home / 1,146,634.40-1,720,201.52-347,978.45

Finding the Fourth Proportional to 1,146,634.40, 1,720,201.52 and 347,978.45

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Solution

The fourth proportional to 1,146,634.40, 1,720,201.52 and 347,978.45 is: 522,043.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,634.40 : 1,720,201.52 = 347,978.45 : x
  2. Step 2: Convert to fraction form
    1,146,634.40/1,720,201.52 = 347,978.45/x
  3. Step 3: Cross multiply
    1,146,634.40x = 1,720,201.52 × 347,978.45
  4. Step 4: Simplify right side
    1,146,634.40x = 598,593,048,276.34
  5. Step 5: Solve for x
    x = 598,593,048,276.34/1,146,634.40
  6. Step 6: Final answer
    x = 522,043.51

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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.