Home / 1,065,044.28-1,470,576.18-702,982.78

Finding the Fourth Proportional to 1,065,044.28, 1,470,576.18 and 702,982.78

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Solution

The fourth proportional to 1,065,044.28, 1,470,576.18 and 702,982.78 is: 970,654.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,044.28 : 1,470,576.18 = 702,982.78 : x
  2. Step 2: Convert to fraction form
    1,065,044.28/1,470,576.18 = 702,982.78/x
  3. Step 3: Cross multiply
    1,065,044.28x = 1,470,576.18 × 702,982.78
  4. Step 4: Simplify right side
    1,065,044.28x = 1,033,789,731,218.18
  5. Step 5: Solve for x
    x = 1,033,789,731,218.18/1,065,044.28
  6. Step 6: Final answer
    x = 970,654.23

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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.