Home / 876,674.40-1,315,011.60-864,864.60

Finding the Fourth Proportional to 876,674.40, 1,315,011.60 and 864,864.60

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Solution

The fourth proportional to 876,674.40, 1,315,011.60 and 864,864.60 is: 1,297,296.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,674.40 : 1,315,011.60 = 864,864.60 : x
  2. Step 2: Convert to fraction form
    876,674.40/1,315,011.60 = 864,864.60/x
  3. Step 3: Cross multiply
    876,674.40x = 1,315,011.60 × 864,864.60
  4. Step 4: Simplify right side
    876,674.40x = 1,137,306,981,429.36
  5. Step 5: Solve for x
    x = 1,137,306,981,429.36/876,674.40
  6. Step 6: Final answer
    x = 1,297,296.90

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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.