Home / 1,533,145.52-2,115,740.87-888,939.38

Finding the Fourth Proportional to 1,533,145.52, 2,115,740.87 and 888,939.38

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Solution

The fourth proportional to 1,533,145.52, 2,115,740.87 and 888,939.38 is: 1,226,736.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,145.52 : 2,115,740.87 = 888,939.38 : x
  2. Step 2: Convert to fraction form
    1,533,145.52/2,115,740.87 = 888,939.38/x
  3. Step 3: Cross multiply
    1,533,145.52x = 2,115,740.87 × 888,939.38
  4. Step 4: Simplify right side
    1,533,145.52x = 1,880,765,372,773.76
  5. Step 5: Solve for x
    x = 1,880,765,372,773.76/1,533,145.52
  6. Step 6: Final answer
    x = 1,226,736.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.