Home / 853,087.26-1,176,719.72-648,690.08

Finding the Fourth Proportional to 853,087.26, 1,176,719.72 and 648,690.08

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Solution

The fourth proportional to 853,087.26, 1,176,719.72 and 648,690.08 is: 894,781.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,087.26 : 1,176,719.72 = 648,690.08 : x
  2. Step 2: Convert to fraction form
    853,087.26/1,176,719.72 = 648,690.08/x
  3. Step 3: Cross multiply
    853,087.26x = 1,176,719.72 × 648,690.08
  4. Step 4: Simplify right side
    853,087.26x = 763,326,407,984.30
  5. Step 5: Solve for x
    x = 763,326,407,984.30/853,087.26
  6. Step 6: Final answer
    x = 894,781.17

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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.