Home / 1,269,677.03-1,752,151.86-688,899.98

Finding the Fourth Proportional to 1,269,677.03, 1,752,151.86 and 688,899.98

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Solution

The fourth proportional to 1,269,677.03, 1,752,151.86 and 688,899.98 is: 950,680.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,677.03 : 1,752,151.86 = 688,899.98 : x
  2. Step 2: Convert to fraction form
    1,269,677.03/1,752,151.86 = 688,899.98/x
  3. Step 3: Cross multiply
    1,269,677.03x = 1,752,151.86 × 688,899.98
  4. Step 4: Simplify right side
    1,269,677.03x = 1,207,057,385,691.34
  5. Step 5: Solve for x
    x = 1,207,057,385,691.34/1,269,677.03
  6. Step 6: Final answer
    x = 950,680.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.