Home / 931,291.20-1,394,863.20-806,875.20

Finding the Fourth Proportional to 931,291.20, 1,394,863.20 and 806,875.20

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Solution

The fourth proportional to 931,291.20, 1,394,863.20 and 806,875.20 is: 1,208,516.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,291.20 : 1,394,863.20 = 806,875.20 : x
  2. Step 2: Convert to fraction form
    931,291.20/1,394,863.20 = 806,875.20/x
  3. Step 3: Cross multiply
    931,291.20x = 1,394,863.20 × 806,875.20
  4. Step 4: Simplify right side
    931,291.20x = 1,125,480,523,472.64
  5. Step 5: Solve for x
    x = 1,125,480,523,472.64/931,291.20
  6. Step 6: Final answer
    x = 1,208,516.22

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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.