Home / 1,145,787.12-1,718,723.88-435,682.80

Finding the Fourth Proportional to 1,145,787.12, 1,718,723.88 and 435,682.80

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Solution

The fourth proportional to 1,145,787.12, 1,718,723.88 and 435,682.80 is: 653,540.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,787.12 : 1,718,723.88 = 435,682.80 : x
  2. Step 2: Convert to fraction form
    1,145,787.12/1,718,723.88 = 435,682.80/x
  3. Step 3: Cross multiply
    1,145,787.12x = 1,718,723.88 × 435,682.80
  4. Step 4: Simplify right side
    1,145,787.12x = 748,818,432,465.26
  5. Step 5: Solve for x
    x = 748,818,432,465.26/1,145,787.12
  6. Step 6: Final answer
    x = 653,540.63

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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.