Home / 1,435,623.35-1,981,248.48-791,043.38

Finding the Fourth Proportional to 1,435,623.35, 1,981,248.48 and 791,043.38

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Solution

The fourth proportional to 1,435,623.35, 1,981,248.48 and 791,043.38 is: 1,091,688.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,623.35 : 1,981,248.48 = 791,043.38 : x
  2. Step 2: Convert to fraction form
    1,435,623.35/1,981,248.48 = 791,043.38/x
  3. Step 3: Cross multiply
    1,435,623.35x = 1,981,248.48 × 791,043.38
  4. Step 4: Simplify right side
    1,435,623.35x = 1,567,253,480,377.60
  5. Step 5: Solve for x
    x = 1,567,253,480,377.60/1,435,623.35
  6. Step 6: Final answer
    x = 1,091,688.49

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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.