Home / 1,219,079.29-1,682,255.45-675,182.51

Finding the Fourth Proportional to 1,219,079.29, 1,682,255.45 and 675,182.51

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Solution

The fourth proportional to 1,219,079.29, 1,682,255.45 and 675,182.51 is: 931,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,079.29 : 1,682,255.45 = 675,182.51 : x
  2. Step 2: Convert to fraction form
    1,219,079.29/1,682,255.45 = 675,182.51/x
  3. Step 3: Cross multiply
    1,219,079.29x = 1,682,255.45 × 675,182.51
  4. Step 4: Simplify right side
    1,219,079.29x = 1,135,829,457,192.18
  5. Step 5: Solve for x
    x = 1,135,829,457,192.18/1,219,079.29
  6. Step 6: Final answer
    x = 931,710.90

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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.