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Finding the Fourth Proportional to 971,750.40, 1,457,625.60 and 841,842.60

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Solution

The fourth proportional to 971,750.40, 1,457,625.60 and 841,842.60 is: 1,262,763.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,750.40 : 1,457,625.60 = 841,842.60 : x
  2. Step 2: Convert to fraction form
    971,750.40/1,457,625.60 = 841,842.60/x
  3. Step 3: Cross multiply
    971,750.40x = 1,457,625.60 × 841,842.60
  4. Step 4: Simplify right side
    971,750.40x = 1,227,091,324,930.56
  5. Step 5: Solve for x
    x = 1,227,091,324,930.56/971,750.40
  6. Step 6: Final answer
    x = 1,262,763.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.