Home / 1,275,308.10-1,759,903.77-702,401.58

Finding the Fourth Proportional to 1,275,308.10, 1,759,903.77 and 702,401.58

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Solution

The fourth proportional to 1,275,308.10, 1,759,903.77 and 702,401.58 is: 969,302.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,308.10 : 1,759,903.77 = 702,401.58 : x
  2. Step 2: Convert to fraction form
    1,275,308.10/1,759,903.77 = 702,401.58/x
  3. Step 3: Cross multiply
    1,275,308.10x = 1,759,903.77 × 702,401.58
  4. Step 4: Simplify right side
    1,275,308.10x = 1,236,159,188,695.96
  5. Step 5: Solve for x
    x = 1,236,159,188,695.96/1,275,308.10
  6. Step 6: Final answer
    x = 969,302.39

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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.