Home / 1,328,592.72-1,832,826.40-784,363.90

Finding the Fourth Proportional to 1,328,592.72, 1,832,826.40 and 784,363.90

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Solution

The fourth proportional to 1,328,592.72, 1,832,826.40 and 784,363.90 is: 1,082,049.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,592.72 : 1,832,826.40 = 784,363.90 : x
  2. Step 2: Convert to fraction form
    1,328,592.72/1,832,826.40 = 784,363.90/x
  3. Step 3: Cross multiply
    1,328,592.72x = 1,832,826.40 × 784,363.90
  4. Step 4: Simplify right side
    1,328,592.72x = 1,437,602,863,126.96
  5. Step 5: Solve for x
    x = 1,437,602,863,126.96/1,328,592.72
  6. Step 6: Final answer
    x = 1,082,049.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.