Home / 1,275,010.21-1,759,552.80-702,070.88

Finding the Fourth Proportional to 1,275,010.21, 1,759,552.80 and 702,070.88

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Solution

The fourth proportional to 1,275,010.21, 1,759,552.80 and 702,070.88 is: 968,879.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,010.21 : 1,759,552.80 = 702,070.88 : x
  2. Step 2: Convert to fraction form
    1,275,010.21/1,759,552.80 = 702,070.88/x
  3. Step 3: Cross multiply
    1,275,010.21x = 1,759,552.80 × 702,070.88
  4. Step 4: Simplify right side
    1,275,010.21x = 1,235,330,787,101.35
  5. Step 5: Solve for x
    x = 1,235,330,787,101.35/1,275,010.21
  6. Step 6: Final answer
    x = 968,879.14

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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.