Home / 1,013,076.20-1,519,614.30-776,880.20

Finding the Fourth Proportional to 1,013,076.20, 1,519,614.30 and 776,880.20

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Solution

The fourth proportional to 1,013,076.20, 1,519,614.30 and 776,880.20 is: 1,165,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,076.20 : 1,519,614.30 = 776,880.20 : x
  2. Step 2: Convert to fraction form
    1,013,076.20/1,519,614.30 = 776,880.20/x
  3. Step 3: Cross multiply
    1,013,076.20x = 1,519,614.30 × 776,880.20
  4. Step 4: Simplify right side
    1,013,076.20x = 1,180,558,261,306.86
  5. Step 5: Solve for x
    x = 1,180,558,261,306.86/1,013,076.20
  6. Step 6: Final answer
    x = 1,165,320.30

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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.