Home / 1,492,428.30-2,238,633.33-427,472.30

Finding the Fourth Proportional to 1,492,428.30, 2,238,633.33 and 427,472.30

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Solution

The fourth proportional to 1,492,428.30, 2,238,633.33 and 427,472.30 is: 641,205.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,428.30 : 2,238,633.33 = 427,472.30 : x
  2. Step 2: Convert to fraction form
    1,492,428.30/2,238,633.33 = 427,472.30/x
  3. Step 3: Cross multiply
    1,492,428.30x = 2,238,633.33 × 427,472.30
  4. Step 4: Simplify right side
    1,492,428.30x = 956,953,738,431.76
  5. Step 5: Solve for x
    x = 956,953,738,431.76/1,492,428.30
  6. Step 6: Final answer
    x = 641,205.84

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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.