Home / 1,076,438.28-1,614,885.23-318,219.96

Finding the Fourth Proportional to 1,076,438.28, 1,614,885.23 and 318,219.96

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Solution

The fourth proportional to 1,076,438.28, 1,614,885.23 and 318,219.96 is: 477,397.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,438.28 : 1,614,885.23 = 318,219.96 : x
  2. Step 2: Convert to fraction form
    1,076,438.28/1,614,885.23 = 318,219.96/x
  3. Step 3: Cross multiply
    1,076,438.28x = 1,614,885.23 × 318,219.96
  4. Step 4: Simplify right side
    1,076,438.28x = 513,888,711,704.09
  5. Step 5: Solve for x
    x = 513,888,711,704.09/1,076,438.28
  6. Step 6: Final answer
    x = 477,397.28

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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.