Home / 971,324.55-1,456,986.83-687,889.35

Finding the Fourth Proportional to 971,324.55, 1,456,986.83 and 687,889.35

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Solution

The fourth proportional to 971,324.55, 1,456,986.83 and 687,889.35 is: 1,031,834.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,324.55 : 1,456,986.83 = 687,889.35 : x
  2. Step 2: Convert to fraction form
    971,324.55/1,456,986.83 = 687,889.35/x
  3. Step 3: Cross multiply
    971,324.55x = 1,456,986.83 × 687,889.35
  4. Step 4: Simplify right side
    971,324.55x = 1,002,245,720,007.81
  5. Step 5: Solve for x
    x = 1,002,245,720,007.81/971,324.55
  6. Step 6: Final answer
    x = 1,031,834.03

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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.