Home / 1,449,878.76-2,000,989.46-877,234.68

Finding the Fourth Proportional to 1,449,878.76, 2,000,989.46 and 877,234.68

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Solution

The fourth proportional to 1,449,878.76, 2,000,989.46 and 877,234.68 is: 1,210,678.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,878.76 : 2,000,989.46 = 877,234.68 : x
  2. Step 2: Convert to fraction form
    1,449,878.76/2,000,989.46 = 877,234.68/x
  3. Step 3: Cross multiply
    1,449,878.76x = 2,000,989.46 × 877,234.68
  4. Step 4: Simplify right side
    1,449,878.76x = 1,755,337,348,626.47
  5. Step 5: Solve for x
    x = 1,755,337,348,626.47/1,449,878.76
  6. Step 6: Final answer
    x = 1,210,678.71

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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.