Home / 1,212,714.45-1,819,077.08-314,092.35

Finding the Fourth Proportional to 1,212,714.45, 1,819,077.08 and 314,092.35

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Solution

The fourth proportional to 1,212,714.45, 1,819,077.08 and 314,092.35 is: 471,139.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,714.45 : 1,819,077.08 = 314,092.35 : x
  2. Step 2: Convert to fraction form
    1,212,714.45/1,819,077.08 = 314,092.35/x
  3. Step 3: Cross multiply
    1,212,714.45x = 1,819,077.08 × 314,092.35
  4. Step 4: Simplify right side
    1,212,714.45x = 571,358,193,317.88
  5. Step 5: Solve for x
    x = 571,358,193,317.88/1,212,714.45
  6. Step 6: Final answer
    x = 471,139.92

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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.