Home / 1,079,170.47-1,489,435.35-1,031,339.43

Finding the Fourth Proportional to 1,079,170.47, 1,489,435.35 and 1,031,339.43

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Solution

The fourth proportional to 1,079,170.47, 1,489,435.35 and 1,031,339.43 is: 1,423,420.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,170.47 : 1,489,435.35 = 1,031,339.43 : x
  2. Step 2: Convert to fraction form
    1,079,170.47/1,489,435.35 = 1,031,339.43/x
  3. Step 3: Cross multiply
    1,079,170.47x = 1,489,435.35 × 1,031,339.43
  4. Step 4: Simplify right side
    1,079,170.47x = 1,536,113,404,890.85
  5. Step 5: Solve for x
    x = 1,536,113,404,890.85/1,079,170.47
  6. Step 6: Final answer
    x = 1,423,420.53

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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.