Home / 1,076,669.64-1,485,337.24-640,842.61

Finding the Fourth Proportional to 1,076,669.64, 1,485,337.24 and 640,842.61

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Solution

The fourth proportional to 1,076,669.64, 1,485,337.24 and 640,842.61 is: 884,084.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,669.64 : 1,485,337.24 = 640,842.61 : x
  2. Step 2: Convert to fraction form
    1,076,669.64/1,485,337.24 = 640,842.61/x
  3. Step 3: Cross multiply
    1,076,669.64x = 1,485,337.24 × 640,842.61
  4. Step 4: Simplify right side
    1,076,669.64x = 951,867,396,970.48
  5. Step 5: Solve for x
    x = 951,867,396,970.48/1,076,669.64
  6. Step 6: Final answer
    x = 884,084.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.