Home / 1,261,068.29-1,739,819.49-970,768.64

Finding the Fourth Proportional to 1,261,068.29, 1,739,819.49 and 970,768.64

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Solution

The fourth proportional to 1,261,068.29, 1,739,819.49 and 970,768.64 is: 1,339,310.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,068.29 : 1,739,819.49 = 970,768.64 : x
  2. Step 2: Convert to fraction form
    1,261,068.29/1,739,819.49 = 970,768.64/x
  3. Step 3: Cross multiply
    1,261,068.29x = 1,739,819.49 × 970,768.64
  4. Step 4: Simplify right side
    1,261,068.29x = 1,688,962,195,298.95
  5. Step 5: Solve for x
    x = 1,688,962,195,298.95/1,261,068.29
  6. Step 6: Final answer
    x = 1,339,310.65

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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.