Home / 1,293,231.22-1,784,588.78-712,341.16

Finding the Fourth Proportional to 1,293,231.22, 1,784,588.78 and 712,341.16

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Solution

The fourth proportional to 1,293,231.22, 1,784,588.78 and 712,341.16 is: 982,992.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,231.22 : 1,784,588.78 = 712,341.16 : x
  2. Step 2: Convert to fraction form
    1,293,231.22/1,784,588.78 = 712,341.16/x
  3. Step 3: Cross multiply
    1,293,231.22x = 1,784,588.78 × 712,341.16
  4. Step 4: Simplify right side
    1,293,231.22x = 1,271,236,041,668.18
  5. Step 5: Solve for x
    x = 1,271,236,041,668.18/1,293,231.22
  6. Step 6: Final answer
    x = 982,992.08

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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.