Home / 1,011,923.94-1,517,885.88-380,979.30

Finding the Fourth Proportional to 1,011,923.94, 1,517,885.88 and 380,979.30

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Solution

The fourth proportional to 1,011,923.94, 1,517,885.88 and 380,979.30 is: 571,468.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,923.94 : 1,517,885.88 = 380,979.30 : x
  2. Step 2: Convert to fraction form
    1,011,923.94/1,517,885.88 = 380,979.30/x
  3. Step 3: Cross multiply
    1,011,923.94x = 1,517,885.88 × 380,979.30
  4. Step 4: Simplify right side
    1,011,923.94x = 578,283,100,042.28
  5. Step 5: Solve for x
    x = 578,283,100,042.28/1,011,923.94
  6. Step 6: Final answer
    x = 571,468.94

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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.