Home / 1,275,415.50-1,760,153.19-702,455.46

Finding the Fourth Proportional to 1,275,415.50, 1,760,153.19 and 702,455.46

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Solution

The fourth proportional to 1,275,415.50, 1,760,153.19 and 702,455.46 is: 969,432.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,415.50 : 1,760,153.19 = 702,455.46 : x
  2. Step 2: Convert to fraction form
    1,275,415.50/1,760,153.19 = 702,455.46/x
  3. Step 3: Cross multiply
    1,275,415.50x = 1,760,153.19 × 702,455.46
  4. Step 4: Simplify right side
    1,275,415.50x = 1,236,429,218,751.92
  5. Step 5: Solve for x
    x = 1,236,429,218,751.92/1,275,415.50
  6. Step 6: Final answer
    x = 969,432.49

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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.