Home / 1,367,999.40-1,887,579.30-858,472.14

Finding the Fourth Proportional to 1,367,999.40, 1,887,579.30 and 858,472.14

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Solution

The fourth proportional to 1,367,999.40, 1,887,579.30 and 858,472.14 is: 1,184,528.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,999.40 : 1,887,579.30 = 858,472.14 : x
  2. Step 2: Convert to fraction form
    1,367,999.40/1,887,579.30 = 858,472.14/x
  3. Step 3: Cross multiply
    1,367,999.40x = 1,887,579.30 × 858,472.14
  4. Step 4: Simplify right side
    1,367,999.40x = 1,620,434,241,090.70
  5. Step 5: Solve for x
    x = 1,620,434,241,090.70/1,367,999.40
  6. Step 6: Final answer
    x = 1,184,528.47

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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.