Home / 1,146,250.60-1,719,270.47-388,005.39

Finding the Fourth Proportional to 1,146,250.60, 1,719,270.47 and 388,005.39

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Solution

The fourth proportional to 1,146,250.60, 1,719,270.47 and 388,005.39 is: 581,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,250.60 : 1,719,270.47 = 388,005.39 : x
  2. Step 2: Convert to fraction form
    1,146,250.60/1,719,270.47 = 388,005.39/x
  3. Step 3: Cross multiply
    1,146,250.60x = 1,719,270.47 × 388,005.39
  4. Step 4: Simplify right side
    1,146,250.60x = 667,086,211,585.98
  5. Step 5: Solve for x
    x = 667,086,211,585.98/1,146,250.60
  6. Step 6: Final answer
    x = 581,972.40

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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.