Home / 1,011,919.05-1,517,878.58-380,974.41

Finding the Fourth Proportional to 1,011,919.05, 1,517,878.58 and 380,974.41

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Solution

The fourth proportional to 1,011,919.05, 1,517,878.58 and 380,974.41 is: 571,461.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,919.05 : 1,517,878.58 = 380,974.41 : x
  2. Step 2: Convert to fraction form
    1,011,919.05/1,517,878.58 = 380,974.41/x
  3. Step 3: Cross multiply
    1,011,919.05x = 1,517,878.58 × 380,974.41
  4. Step 4: Simplify right side
    1,011,919.05x = 578,272,894,562.27
  5. Step 5: Solve for x
    x = 578,272,894,562.27/1,011,919.05
  6. Step 6: Final answer
    x = 571,461.62

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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.