Home / 1,761,549.40-2,430,789.76-976,636.31

Finding the Fourth Proportional to 1,761,549.40, 2,430,789.76 and 976,636.31

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Solution

The fourth proportional to 1,761,549.40, 2,430,789.76 and 976,636.31 is: 1,347,675.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,549.40 : 2,430,789.76 = 976,636.31 : x
  2. Step 2: Convert to fraction form
    1,761,549.40/2,430,789.76 = 976,636.31/x
  3. Step 3: Cross multiply
    1,761,549.40x = 2,430,789.76 × 976,636.31
  4. Step 4: Simplify right side
    1,761,549.40x = 2,373,997,541,592.19
  5. Step 5: Solve for x
    x = 2,373,997,541,592.19/1,761,549.40
  6. Step 6: Final answer
    x = 1,347,675.83

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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.