Home / 1,755,476.91-2,632,467.65-689,771.39

Finding the Fourth Proportional to 1,755,476.91, 2,632,467.65 and 689,771.39

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Solution

The fourth proportional to 1,755,476.91, 2,632,467.65 and 689,771.39 is: 1,034,363.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,476.91 : 2,632,467.65 = 689,771.39 : x
  2. Step 2: Convert to fraction form
    1,755,476.91/2,632,467.65 = 689,771.39/x
  3. Step 3: Cross multiply
    1,755,476.91x = 2,632,467.65 × 689,771.39
  4. Step 4: Simplify right side
    1,755,476.91x = 1,815,800,853,459.34
  5. Step 5: Solve for x
    x = 1,815,800,853,459.34/1,755,476.91
  6. Step 6: Final answer
    x = 1,034,363.28

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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.