Home / 1,171,825.79-1,617,240.20-712,972.94

Finding the Fourth Proportional to 1,171,825.79, 1,617,240.20 and 712,972.94

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Solution

The fourth proportional to 1,171,825.79, 1,617,240.20 and 712,972.94 is: 983,976.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,825.79 : 1,617,240.20 = 712,972.94 : x
  2. Step 2: Convert to fraction form
    1,171,825.79/1,617,240.20 = 712,972.94/x
  3. Step 3: Cross multiply
    1,171,825.79x = 1,617,240.20 × 712,972.94
  4. Step 4: Simplify right side
    1,171,825.79x = 1,153,048,488,429.12
  5. Step 5: Solve for x
    x = 1,153,048,488,429.12/1,171,825.79
  6. Step 6: Final answer
    x = 983,976.03

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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.