Home / 971,200.70-1,456,801.05-876,722.30

Finding the Fourth Proportional to 971,200.70, 1,456,801.05 and 876,722.30

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Solution

The fourth proportional to 971,200.70, 1,456,801.05 and 876,722.30 is: 1,315,083.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,200.70 : 1,456,801.05 = 876,722.30 : x
  2. Step 2: Convert to fraction form
    971,200.70/1,456,801.05 = 876,722.30/x
  3. Step 3: Cross multiply
    971,200.70x = 1,456,801.05 × 876,722.30
  4. Step 4: Simplify right side
    971,200.70x = 1,277,209,967,198.42
  5. Step 5: Solve for x
    x = 1,277,209,967,198.42/971,200.70
  6. Step 6: Final answer
    x = 1,315,083.45

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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.