Home / 855,679.60-1,283,519.40-849,774.70

Finding the Fourth Proportional to 855,679.60, 1,283,519.40 and 849,774.70

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Solution

The fourth proportional to 855,679.60, 1,283,519.40 and 849,774.70 is: 1,274,662.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,679.60 : 1,283,519.40 = 849,774.70 : x
  2. Step 2: Convert to fraction form
    855,679.60/1,283,519.40 = 849,774.70/x
  3. Step 3: Cross multiply
    855,679.60x = 1,283,519.40 × 849,774.70
  4. Step 4: Simplify right side
    855,679.60x = 1,090,702,313,079.18
  5. Step 5: Solve for x
    x = 1,090,702,313,079.18/855,679.60
  6. Step 6: Final answer
    x = 1,274,662.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.