Home / 1,175,578.60-1,763,828.70-427,700.20

Finding the Fourth Proportional to 1,175,578.60, 1,763,828.70 and 427,700.20

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Solution

The fourth proportional to 1,175,578.60, 1,763,828.70 and 427,700.20 is: 641,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,578.60 : 1,763,828.70 = 427,700.20 : x
  2. Step 2: Convert to fraction form
    1,175,578.60/1,763,828.70 = 427,700.20/x
  3. Step 3: Cross multiply
    1,175,578.60x = 1,763,828.70 × 427,700.20
  4. Step 4: Simplify right side
    1,175,578.60x = 754,389,887,755.74
  5. Step 5: Solve for x
    x = 754,389,887,755.74/1,175,578.60
  6. Step 6: Final answer
    x = 641,717.95

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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.