Home / 1,656,715.20-2,481,825.10-858,520.34

Finding the Fourth Proportional to 1,656,715.20, 2,481,825.10 and 858,520.34

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Solution

The fourth proportional to 1,656,715.20, 2,481,825.10 and 858,520.34 is: 1,286,097.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,715.20 : 2,481,825.10 = 858,520.34 : x
  2. Step 2: Convert to fraction form
    1,656,715.20/2,481,825.10 = 858,520.34/x
  3. Step 3: Cross multiply
    1,656,715.20x = 2,481,825.10 × 858,520.34
  4. Step 4: Simplify right side
    1,656,715.20x = 2,130,697,328,672.53
  5. Step 5: Solve for x
    x = 2,130,697,328,672.53/1,656,715.20
  6. Step 6: Final answer
    x = 1,286,097.53

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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.