Home / 1,371,567.57-1,892,583.90-790,812.43

Finding the Fourth Proportional to 1,371,567.57, 1,892,583.90 and 790,812.43

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Solution

The fourth proportional to 1,371,567.57, 1,892,583.90 and 790,812.43 is: 1,091,217.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,567.57 : 1,892,583.90 = 790,812.43 : x
  2. Step 2: Convert to fraction form
    1,371,567.57/1,892,583.90 = 790,812.43/x
  3. Step 3: Cross multiply
    1,371,567.57x = 1,892,583.90 × 790,812.43
  4. Step 4: Simplify right side
    1,371,567.57x = 1,496,678,872,937.88
  5. Step 5: Solve for x
    x = 1,496,678,872,937.88/1,371,567.57
  6. Step 6: Final answer
    x = 1,091,217.75

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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.