Home / 1,076,523.90-1,484,946.06-640,649.03

Finding the Fourth Proportional to 1,076,523.90, 1,484,946.06 and 640,649.03

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Solution

The fourth proportional to 1,076,523.90, 1,484,946.06 and 640,649.03 is: 883,704.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,523.90 : 1,484,946.06 = 640,649.03 : x
  2. Step 2: Convert to fraction form
    1,076,523.90/1,484,946.06 = 640,649.03/x
  3. Step 3: Cross multiply
    1,076,523.90x = 1,484,946.06 × 640,649.03
  4. Step 4: Simplify right side
    1,076,523.90x = 951,329,245,516.59
  5. Step 5: Solve for x
    x = 951,329,245,516.59/1,076,523.90
  6. Step 6: Final answer
    x = 883,704.71

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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.