Home / 1,323,561.22-1,985,154.39-424,884.64

Finding the Fourth Proportional to 1,323,561.22, 1,985,154.39 and 424,884.64

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Solution

The fourth proportional to 1,323,561.22, 1,985,154.39 and 424,884.64 is: 637,266.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,561.22 : 1,985,154.39 = 424,884.64 : x
  2. Step 2: Convert to fraction form
    1,323,561.22/1,985,154.39 = 424,884.64/x
  3. Step 3: Cross multiply
    1,323,561.22x = 1,985,154.39 × 424,884.64
  4. Step 4: Simplify right side
    1,323,561.22x = 843,461,608,339.57
  5. Step 5: Solve for x
    x = 843,461,608,339.57/1,323,561.22
  6. Step 6: Final answer
    x = 637,266.79

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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.