Home / 1,065,042.27-1,470,573.43-702,980.78

Finding the Fourth Proportional to 1,065,042.27, 1,470,573.43 and 702,980.78

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Solution

The fourth proportional to 1,065,042.27, 1,470,573.43 and 702,980.78 is: 970,651.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,042.27 : 1,470,573.43 = 702,980.78 : x
  2. Step 2: Convert to fraction form
    1,065,042.27/1,470,573.43 = 702,980.78/x
  3. Step 3: Cross multiply
    1,065,042.27x = 1,470,573.43 × 702,980.78
  4. Step 4: Simplify right side
    1,065,042.27x = 1,033,784,847,758.36
  5. Step 5: Solve for x
    x = 1,033,784,847,758.36/1,065,042.27
  6. Step 6: Final answer
    x = 970,651.47

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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.