Home / 1,435,955.76-1,981,610.40-782,580.96

Finding the Fourth Proportional to 1,435,955.76, 1,981,610.40 and 782,580.96

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Solution

The fourth proportional to 1,435,955.76, 1,981,610.40 and 782,580.96 is: 1,079,957.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,955.76 : 1,981,610.40 = 782,580.96 : x
  2. Step 2: Convert to fraction form
    1,435,955.76/1,981,610.40 = 782,580.96/x
  3. Step 3: Cross multiply
    1,435,955.76x = 1,981,610.40 × 782,580.96
  4. Step 4: Simplify right side
    1,435,955.76x = 1,550,770,569,177.98
  5. Step 5: Solve for x
    x = 1,550,770,569,177.98/1,435,955.76
  6. Step 6: Final answer
    x = 1,079,957.07

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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.