Home / 1,275,009.96-1,759,552.45-702,070.64

Finding the Fourth Proportional to 1,275,009.96, 1,759,552.45 and 702,070.64

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Solution

The fourth proportional to 1,275,009.96, 1,759,552.45 and 702,070.64 is: 968,878.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,009.96 : 1,759,552.45 = 702,070.64 : x
  2. Step 2: Convert to fraction form
    1,275,009.96/1,759,552.45 = 702,070.64/x
  3. Step 3: Cross multiply
    1,275,009.96x = 1,759,552.45 × 702,070.64
  4. Step 4: Simplify right side
    1,275,009.96x = 1,235,330,105,887.31
  5. Step 5: Solve for x
    x = 1,235,330,105,887.31/1,275,009.96
  6. Step 6: Final answer
    x = 968,878.79

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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.