Home / 1,167,278.76-1,610,869.33-657,981

Finding the Fourth Proportional to 1,167,278.76, 1,610,869.33 and 657,981

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Solution

The fourth proportional to 1,167,278.76, 1,610,869.33 and 657,981 is: 908,027.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,278.76 : 1,610,869.33 = 657,981 : x
  2. Step 2: Convert to fraction form
    1,167,278.76/1,610,869.33 = 657,981/x
  3. Step 3: Cross multiply
    1,167,278.76x = 1,610,869.33 × 657,981
  4. Step 4: Simplify right side
    1,167,278.76x = 1,059,921,412,622.73
  5. Step 5: Solve for x
    x = 1,059,921,412,622.73/1,167,278.76
  6. Step 6: Final answer
    x = 908,027.67

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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.