Home / 971,369.70-1,457,054.55-876,891.30

Finding the Fourth Proportional to 971,369.70, 1,457,054.55 and 876,891.30

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Solution

The fourth proportional to 971,369.70, 1,457,054.55 and 876,891.30 is: 1,315,336.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,369.70 : 1,457,054.55 = 876,891.30 : x
  2. Step 2: Convert to fraction form
    971,369.70/1,457,054.55 = 876,891.30/x
  3. Step 3: Cross multiply
    971,369.70x = 1,457,054.55 × 876,891.30
  4. Step 4: Simplify right side
    971,369.70x = 1,277,678,458,520.42
  5. Step 5: Solve for x
    x = 1,277,678,458,520.42/971,369.70
  6. Step 6: Final answer
    x = 1,315,336.95

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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.