Home / 1,270,074.41-1,752,715.79-689,302.56

Finding the Fourth Proportional to 1,270,074.41, 1,752,715.79 and 689,302.56

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Solution

The fourth proportional to 1,270,074.41, 1,752,715.79 and 689,302.56 is: 951,244.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,074.41 : 1,752,715.79 = 689,302.56 : x
  2. Step 2: Convert to fraction form
    1,270,074.41/1,752,715.79 = 689,302.56/x
  3. Step 3: Cross multiply
    1,270,074.41x = 1,752,715.79 × 689,302.56
  4. Step 4: Simplify right side
    1,270,074.41x = 1,208,151,484,335.80
  5. Step 5: Solve for x
    x = 1,208,151,484,335.80/1,270,074.41
  6. Step 6: Final answer
    x = 951,244.65

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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.