Home / 1,148,921.02-1,723,568.64-339,387.58

Finding the Fourth Proportional to 1,148,921.02, 1,723,568.64 and 339,387.58

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Solution

The fourth proportional to 1,148,921.02, 1,723,568.64 and 339,387.58 is: 509,136.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,921.02 : 1,723,568.64 = 339,387.58 : x
  2. Step 2: Convert to fraction form
    1,148,921.02/1,723,568.64 = 339,387.58/x
  3. Step 3: Cross multiply
    1,148,921.02x = 1,723,568.64 × 339,387.58
  4. Step 4: Simplify right side
    1,148,921.02x = 584,957,789,693.49
  5. Step 5: Solve for x
    x = 584,957,789,693.49/1,148,921.02
  6. Step 6: Final answer
    x = 509,136.64

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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.