Home / 1,264,836.44-1,896,979.88-400,338.58

Finding the Fourth Proportional to 1,264,836.44, 1,896,979.88 and 400,338.58

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Solution

The fourth proportional to 1,264,836.44, 1,896,979.88 and 400,338.58 is: 600,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,836.44 : 1,896,979.88 = 400,338.58 : x
  2. Step 2: Convert to fraction form
    1,264,836.44/1,896,979.88 = 400,338.58/x
  3. Step 3: Cross multiply
    1,264,836.44x = 1,896,979.88 × 400,338.58
  4. Step 4: Simplify right side
    1,264,836.44x = 759,434,224,703.63
  5. Step 5: Solve for x
    x = 759,434,224,703.63/1,264,836.44
  6. Step 6: Final answer
    x = 600,420.90

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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.