Home / 1,426,911.70-1,969,115.70-782,337.46

Finding the Fourth Proportional to 1,426,911.70, 1,969,115.70 and 782,337.46

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Solution

The fourth proportional to 1,426,911.70, 1,969,115.70 and 782,337.46 is: 1,079,613.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,911.70 : 1,969,115.70 = 782,337.46 : x
  2. Step 2: Convert to fraction form
    1,426,911.70/1,969,115.70 = 782,337.46/x
  3. Step 3: Cross multiply
    1,426,911.70x = 1,969,115.70 × 782,337.46
  4. Step 4: Simplify right side
    1,426,911.70x = 1,540,512,975,184.12
  5. Step 5: Solve for x
    x = 1,540,512,975,184.12/1,426,911.70
  6. Step 6: Final answer
    x = 1,079,613.39

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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.