Home / 1,272,154.43-1,755,576.94-699,253.31

Finding the Fourth Proportional to 1,272,154.43, 1,755,576.94 and 699,253.31

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Solution

The fourth proportional to 1,272,154.43, 1,755,576.94 and 699,253.31 is: 964,971.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,154.43 : 1,755,576.94 = 699,253.31 : x
  2. Step 2: Convert to fraction form
    1,272,154.43/1,755,576.94 = 699,253.31/x
  3. Step 3: Cross multiply
    1,272,154.43x = 1,755,576.94 × 699,253.31
  4. Step 4: Simplify right side
    1,272,154.43x = 1,227,592,986,254.67
  5. Step 5: Solve for x
    x = 1,227,592,986,254.67/1,272,154.43
  6. Step 6: Final answer
    x = 964,971.67

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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.