Home / 1,293,107.24-1,784,628.18-712,389.89

Finding the Fourth Proportional to 1,293,107.24, 1,784,628.18 and 712,389.89

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Solution

The fourth proportional to 1,293,107.24, 1,784,628.18 and 712,389.89 is: 983,175.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,107.24 : 1,784,628.18 = 712,389.89 : x
  2. Step 2: Convert to fraction form
    1,293,107.24/1,784,628.18 = 712,389.89/x
  3. Step 3: Cross multiply
    1,293,107.24x = 1,784,628.18 × 712,389.89
  4. Step 4: Simplify right side
    1,293,107.24x = 1,271,351,063,917.96
  5. Step 5: Solve for x
    x = 1,271,351,063,917.96/1,293,107.24
  6. Step 6: Final answer
    x = 983,175.28

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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.