Home / 1,076,237.64-1,613,248.74-477,480.78

Finding the Fourth Proportional to 1,076,237.64, 1,613,248.74 and 477,480.78

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Solution

The fourth proportional to 1,076,237.64, 1,613,248.74 and 477,480.78 is: 715,729.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,237.64 : 1,613,248.74 = 477,480.78 : x
  2. Step 2: Convert to fraction form
    1,076,237.64/1,613,248.74 = 477,480.78/x
  3. Step 3: Cross multiply
    1,076,237.64x = 1,613,248.74 × 477,480.78
  4. Step 4: Simplify right side
    1,076,237.64x = 770,295,266,709.22
  5. Step 5: Solve for x
    x = 770,295,266,709.22/1,076,237.64
  6. Step 6: Final answer
    x = 715,729.72

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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.