Home / 1,080,502.40-1,618,615.20-947,532.80

Finding the Fourth Proportional to 1,080,502.40, 1,618,615.20 and 947,532.80

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Solution

The fourth proportional to 1,080,502.40, 1,618,615.20 and 947,532.80 is: 1,419,423.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,502.40 : 1,618,615.20 = 947,532.80 : x
  2. Step 2: Convert to fraction form
    1,080,502.40/1,618,615.20 = 947,532.80/x
  3. Step 3: Cross multiply
    1,080,502.40x = 1,618,615.20 × 947,532.80
  4. Step 4: Simplify right side
    1,080,502.40x = 1,533,690,992,578.56
  5. Step 5: Solve for x
    x = 1,533,690,992,578.56/1,080,502.40
  6. Step 6: Final answer
    x = 1,419,423.96

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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.