Home / 1,293,230.22-1,784,587.40-712,340.16

Finding the Fourth Proportional to 1,293,230.22, 1,784,587.40 and 712,340.16

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Solution

The fourth proportional to 1,293,230.22, 1,784,587.40 and 712,340.16 is: 982,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,230.22 : 1,784,587.40 = 712,340.16 : x
  2. Step 2: Convert to fraction form
    1,293,230.22/1,784,587.40 = 712,340.16/x
  3. Step 3: Cross multiply
    1,293,230.22x = 1,784,587.40 × 712,340.16
  4. Step 4: Simplify right side
    1,293,230.22x = 1,271,233,274,049.98
  5. Step 5: Solve for x
    x = 1,271,233,274,049.98/1,293,230.22
  6. Step 6: Final answer
    x = 982,990.70

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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.