Home / 1,545,289.88-2,318,266.50-520,721.37

Finding the Fourth Proportional to 1,545,289.88, 2,318,266.50 and 520,721.37

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Solution

The fourth proportional to 1,545,289.88, 2,318,266.50 and 520,721.37 is: 781,193.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,289.88 : 2,318,266.50 = 520,721.37 : x
  2. Step 2: Convert to fraction form
    1,545,289.88/2,318,266.50 = 520,721.37/x
  3. Step 3: Cross multiply
    1,545,289.88x = 2,318,266.50 × 520,721.37
  4. Step 4: Simplify right side
    1,545,289.88x = 1,207,170,907,905.11
  5. Step 5: Solve for x
    x = 1,207,170,907,905.11/1,545,289.88
  6. Step 6: Final answer
    x = 781,193.82

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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.