Home / 1,305,861.34-1,802,092.40-725,085.74

Finding the Fourth Proportional to 1,305,861.34, 1,802,092.40 and 725,085.74

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Solution

The fourth proportional to 1,305,861.34, 1,802,092.40 and 725,085.74 is: 1,000,620.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,861.34 : 1,802,092.40 = 725,085.74 : x
  2. Step 2: Convert to fraction form
    1,305,861.34/1,802,092.40 = 725,085.74/x
  3. Step 3: Cross multiply
    1,305,861.34x = 1,802,092.40 × 725,085.74
  4. Step 4: Simplify right side
    1,305,861.34x = 1,306,671,501,402.38
  5. Step 5: Solve for x
    x = 1,306,671,501,402.38/1,305,861.34
  6. Step 6: Final answer
    x = 1,000,620.40

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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.