Home / 1,209,983.52-1,815,274.24-500,214.56

Finding the Fourth Proportional to 1,209,983.52, 1,815,274.24 and 500,214.56

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Solution

The fourth proportional to 1,209,983.52, 1,815,274.24 and 500,214.56 is: 750,445.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,983.52 : 1,815,274.24 = 500,214.56 : x
  2. Step 2: Convert to fraction form
    1,209,983.52/1,815,274.24 = 500,214.56/x
  3. Step 3: Cross multiply
    1,209,983.52x = 1,815,274.24 × 500,214.56
  4. Step 4: Simplify right side
    1,209,983.52x = 908,026,605,240.94
  5. Step 5: Solve for x
    x = 908,026,605,240.94/1,209,983.52
  6. Step 6: Final answer
    x = 750,445.43

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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.