Home / 1,013,162.02-1,519,742.72-381,928.21

Finding the Fourth Proportional to 1,013,162.02, 1,519,742.72 and 381,928.21

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Solution

The fourth proportional to 1,013,162.02, 1,519,742.72 and 381,928.21 is: 572,892.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,162.02 : 1,519,742.72 = 381,928.21 : x
  2. Step 2: Convert to fraction form
    1,013,162.02/1,519,742.72 = 381,928.21/x
  3. Step 3: Cross multiply
    1,013,162.02x = 1,519,742.72 × 381,928.21
  4. Step 4: Simplify right side
    1,013,162.02x = 580,432,613,865.60
  5. Step 5: Solve for x
    x = 580,432,613,865.60/1,013,162.02
  6. Step 6: Final answer
    x = 572,892.20

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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.