Home / 1,344,684.53-2,017,421.82-398,079.85

Finding the Fourth Proportional to 1,344,684.53, 2,017,421.82 and 398,079.85

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Solution

The fourth proportional to 1,344,684.53, 2,017,421.82 and 398,079.85 is: 597,236.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,684.53 : 2,017,421.82 = 398,079.85 : x
  2. Step 2: Convert to fraction form
    1,344,684.53/2,017,421.82 = 398,079.85/x
  3. Step 3: Cross multiply
    1,344,684.53x = 2,017,421.82 × 398,079.85
  4. Step 4: Simplify right side
    1,344,684.53x = 803,094,975,492.33
  5. Step 5: Solve for x
    x = 803,094,975,492.33/1,344,684.53
  6. Step 6: Final answer
    x = 597,236.72

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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.