Home / 1,282,308.53-1,769,587.04-709,387.43

Finding the Fourth Proportional to 1,282,308.53, 1,769,587.04 and 709,387.43

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Solution

The fourth proportional to 1,282,308.53, 1,769,587.04 and 709,387.43 is: 978,955.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,308.53 : 1,769,587.04 = 709,387.43 : x
  2. Step 2: Convert to fraction form
    1,282,308.53/1,769,587.04 = 709,387.43/x
  3. Step 3: Cross multiply
    1,282,308.53x = 1,769,587.04 × 709,387.43
  4. Step 4: Simplify right side
    1,282,308.53x = 1,255,322,798,919.97
  5. Step 5: Solve for x
    x = 1,255,322,798,919.97/1,282,308.53
  6. Step 6: Final answer
    x = 978,955.35

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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.