Home / 1,291,491.84-1,937,673.72-571,734.28

Finding the Fourth Proportional to 1,291,491.84, 1,937,673.72 and 571,734.28

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Solution

The fourth proportional to 1,291,491.84, 1,937,673.72 and 571,734.28 is: 857,794.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,491.84 : 1,937,673.72 = 571,734.28 : x
  2. Step 2: Convert to fraction form
    1,291,491.84/1,937,673.72 = 571,734.28/x
  3. Step 3: Cross multiply
    1,291,491.84x = 1,937,673.72 × 571,734.28
  4. Step 4: Simplify right side
    1,291,491.84x = 1,107,834,489,179.12
  5. Step 5: Solve for x
    x = 1,107,834,489,179.12/1,291,491.84
  6. Step 6: Final answer
    x = 857,794.42

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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.