Home / 876,206.55-1,307,971.66-769,918.35

Finding the Fourth Proportional to 876,206.55, 1,307,971.66 and 769,918.35

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Solution

The fourth proportional to 876,206.55, 1,307,971.66 and 769,918.35 is: 1,149,308.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,206.55 : 1,307,971.66 = 769,918.35 : x
  2. Step 2: Convert to fraction form
    876,206.55/1,307,971.66 = 769,918.35/x
  3. Step 3: Cross multiply
    876,206.55x = 1,307,971.66 × 769,918.35
  4. Step 4: Simplify right side
    876,206.55x = 1,007,031,380,389.17
  5. Step 5: Solve for x
    x = 1,007,031,380,389.17/876,206.55
  6. Step 6: Final answer
    x = 1,149,308.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.