Home / 1,556,720.10-2,334,861.45-491,869.80

Finding the Fourth Proportional to 1,556,720.10, 2,334,861.45 and 491,869.80

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Solution

The fourth proportional to 1,556,720.10, 2,334,861.45 and 491,869.80 is: 737,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,720.10 : 2,334,861.45 = 491,869.80 : x
  2. Step 2: Convert to fraction form
    1,556,720.10/2,334,861.45 = 491,869.80/x
  3. Step 3: Cross multiply
    1,556,720.10x = 2,334,861.45 × 491,869.80
  4. Step 4: Simplify right side
    1,556,720.10x = 1,148,447,834,439.21
  5. Step 5: Solve for x
    x = 1,148,447,834,439.21/1,556,720.10
  6. Step 6: Final answer
    x = 737,735.60

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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.