Home / 1,076,538.30-1,614,515.85-318,378.30

Finding the Fourth Proportional to 1,076,538.30, 1,614,515.85 and 318,378.30

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Solution

The fourth proportional to 1,076,538.30, 1,614,515.85 and 318,378.30 is: 477,481.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,538.30 : 1,614,515.85 = 318,378.30 : x
  2. Step 2: Convert to fraction form
    1,076,538.30/1,614,515.85 = 318,378.30/x
  3. Step 3: Cross multiply
    1,076,538.30x = 1,614,515.85 × 318,378.30
  4. Step 4: Simplify right side
    1,076,538.30x = 514,026,811,646.06
  5. Step 5: Solve for x
    x = 514,026,811,646.06/1,076,538.30
  6. Step 6: Final answer
    x = 477,481.21

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Double scale
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1.5x scale

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.