Home / 1,001,396.91-1,381,983.08-571,815.03

Finding the Fourth Proportional to 1,001,396.91, 1,381,983.08 and 571,815.03

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Solution

The fourth proportional to 1,001,396.91, 1,381,983.08 and 571,815.03 is: 789,136.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,396.91 : 1,381,983.08 = 571,815.03 : x
  2. Step 2: Convert to fraction form
    1,001,396.91/1,381,983.08 = 571,815.03/x
  3. Step 3: Cross multiply
    1,001,396.91x = 1,381,983.08 × 571,815.03
  4. Step 4: Simplify right side
    1,001,396.91x = 790,238,696,349.69
  5. Step 5: Solve for x
    x = 790,238,696,349.69/1,001,396.91
  6. Step 6: Final answer
    x = 789,136.34

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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.